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Copyright of Revista Foco (Interdisciplinary Studies Journal) is the property of Revista Foco and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

The present work presents as a research problem the importance of efficiency, planning, and principles of good management aiming at capillarity and equity to generate greater access and quality of services. The objective of this article was to identify the expansion of the Family Health Strategy in Brazil between 2007 and 2020, and which variables may explain this evolution. This is a descriptive, ecological research, developed between 2007 and 2020 in Brazil; its variable of interest was the estimated population coverage of this strategy (%). An increase in the coverage of the Family Health Strategy was observed in all regions of Brazil between 2007 and 2020, especially in the Northeast region. At the state level, this coverage showed a significant positive relationship with the following variables: towns with fewer than 40,000 inhabitants and monthly income inferior to half a minimum salary. The Brazilian version of the Family Health Strategy seeks inspiration from the best and most successful health models to achieve high performance and efficiency to provide equity and access to health services. [ABSTRACT FROM AUTHOR]

Analyze the role of the physiotherapist and its importance in primary health care as an integral part of the family health strategy through scientific evidence regarding this. To meet the objective, an integrative review of the scientific literature was carried out. This research method enables critical evaluation and synthesis of available evidence on the topic under study, resulting in an updated study of the topic investigated and its interventions implemented effectively in health care. 135 articles were found in the databases, 37 in PubMed, 96 in VHL and 02 in SciELO. Thus, the selection was finalized with 05 articles to be read in full. It was concluded that the insertion of this professional in primary care facilitates the provision of rehabilitation care in the community, preventing the worsening of chronic conditions and meeting the population and their health needs in non-hospital environments. [ABSTRACT FROM AUTHOR]

Copyright of Revista Foco (Interdisciplinary Studies Journal) is the property of Revista Foco and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Arquivos de Ciências da Saúde da UNIPAR is the property of Associacao Paranaense de Ensino e Cultura and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Revista Foco (Interdisciplinary Studies Journal) is the property of Revista Foco and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Revista Foco (Interdisciplinary Studies Journal) is the property of Revista Foco and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Acta Paulista de Enfermagem is the property of Universidade Federal de Sao Paulo, Escola Paulista de Enfermagem and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Objective: to analyze nurses' perceptions about Home Blood Pressure Monitoring in the context of Primary Health Care. Methods: a descriptive, qualitative study, carried out in seven Family Health Care Units in Belém, Pará, in which 14 nurses, who worked in the HiperDia Program participated. Data collection was conducted from January to March 2017, through individual semi-structured interviews, using a script prepared by the researchers. The interviews were recorded, transcribed, and submitted to content analysis technical procedures. Results: four thematic categories emerged, addressing knowledge about Home Blood Pressure Monitoring, the proceedings, and strategies in the management of people with hypertension, the importance of monitoring, the resources and methods for diagnosing the disease, and the difficulties in carrying out this monitoring. Conclusion: the nurses acknowledged the relevance of Home Blood Pressure Monitoring in the actions carried out by their teams, highlighting the use of this method in preventing complications of hypertension. However, they emphasized that effectiveness involves the use of an adequate device, which is not available in the services. [ABSTRACT FROM AUTHOR]

To describe, in the residents' view, the organization and dynamics of care instituted in primary health care in the COVID-19 pandemic, and to discuss the education process in this context. A qualitative, descriptive study developed with students from the Multiprofessional Residency Program in Family Health at the Federal University of Rondônia, Brazil. A semi-structured interview was applied between June and August 2020, and thematic content analysis. Three categories emerged, with themes that involved communication skills, teamwork, leadership, knowledge and contact with the territory, flexibility, permanent education and emotional balance. Difficulties in education were highlighted due to the need for new didactic-pedagogical planning, lack of resources and little investment in primary care. Of the facilities, autonomy and implementation of new strategies, such as telemonitoring, stood out. The pandemic brought new elements to resident education, expanding its scope, mainly in management and leadership [ABSTRACT FROM AUTHOR]

Copyright of Revista Foco (Interdisciplinary Studies Journal) is the property of Revista Foco and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Burns are injuries caused by direct exposure of the skin tissue to thermal, chemical or electrical agents. The Family Health Strategy is characterized as a gateway to health services. The objective of this study was to know the health care for people with burns assisted in Family Health Strategies. This is an exploratory, descriptive-analytical study, transversal to the work process of 64 professionals of Family Health Strategies in a city on the western border of Rio Grande do Sul. The interviews were recorded, digitized and organized in a database of data in text format. Subsequently, they were processed in the IRAMUTEC software and analyzed by descending hierarchical classification, by similarity analysis and by the word cloud. The results found significantly indicated a negative response when related to knowledge of the care provided to people with burns, requiring training and training for health teams. [ABSTRACT FROM AUTHOR]

Copyright of Arquivos de Ciências da Saúde da UNIPAR is the property of Associacao Paranaense de Ensino e Cultura and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Fundamento: el programa del médico y la enfermera de la familia es pilar fundamental del sistema nacional de salud. No obstante, existe potencial para la mejora en la organización, calidad y eficiencia de los servicios en el primer nivel de atención. Objetivo: evaluar el impacto de una intervención para perfeccionar el programa del médico y la enfermera de la familia, realizada en el área de salud del Policlínico Universitario “Guillermo Tejas Silva”, de Las Tunas, entre octubre 2021 y marzo 2022. Métodos: se realizó un estudio cuasi experimental de intervención, en 23 consultorios médicos de la familia en el área de salud, periodo de tiempo y con el objetivo antes definidos. De un universo de 50 profesionales se seleccionaron como muestra los 47 con residencia en el área urbana. El estudio tuvo tres etapas: diagnóstico, intervención y evaluación. Se empleó como medida de resumen el porcentaje y para la validación estadística de los cambios después de la intervención, la prueba de Mc Nemar. Resultados: con la intervención se elevó el nivel de conocimientos en el 48,9 % de los profesionales, llegando a la categoría adecuado el 91,5 %. Se mejoró el clima organizacional en las dimensiones comportamiento organizacional, estructura y estilos de dirección. Se modificó el cuadro de salud en el 73,9 % de los consultorios 47,8 % más que antes de la intervención. El 86,9 % cumplieron los indicadores de impacto y se redujeron las insatisfacciones con los servicios prestados hasta el 8,7 %. Conclusiones: la intervención evidenció efectividad en los indicadores de resultados del programa.

To assess the first level (satisfaction) by measuring social actors - managers of Primary Health Care Units, teachers, learners, and users participated in the Ceará Family Medical Program (PMFC). The evaluation was based on the Kirkpatrick Model for the different actors involved. Data collection instruments were created via electronic forms and the actors’ satisfaction was measured. Results: Most managers fully agree with proper professional practice, interpersonal/team relationship, and the importance of the PMFC. Most teachers fully agree with the importance of the activities and relevance of PMFC. A total of 52.7% of the students fully confirmed the importance of the activities and 50.5% confirmed the teaching relevance. The evaluation is one of the foundations for amplifying the effectiveness of health care actions, supporting improvements in quality of life, health, and social development. [ABSTRACT FROM AUTHOR]

Copyright of Revista Família, Ciclos de Vida e Saúde no Contexto Social (REFACS) is the property of Universidade Federal do Triangulo Mineiro, Instituto de Ciencias da Saude and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Saúde Coletiva is the property of MPM Comunicacao and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Saúde Coletiva is the property of MPM Comunicacao and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Cadernos de Saude Publica is the property of Escola Nacional de Saude Publica Sergio Arouca and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Primary Health Care (APS) refers to a set of practices that aims to meet the health needs of the individual and the community. At this level of care, certain attributes must be developed to ensure the quality of services: First Contact, Longitudinality, Integrality, Coordination, Family Focus, Community Orientation, and Cultural Competence. The objective of this study was to identify, evaluate, and compare the attributes of Primary Health Care considering two organizational models. We did an exploratory, cross-descriptive research, applying the Primary Care Assessment Tool Brazil Instrument, professional version, to 70 doctors and 33 nurses working in primary care in a city in the state of São Paulo, Brazil. Descriptive and inferential statistics were used. Traditional primary care showed average scores above 6.6 in the attributes of coordination, longitudinality, comprehensiveness − services provided and family guidance. The attributes that received a low score were comprehensiveness − available services, community guidance, and first contact access, the latter being the only attribute with an average score below 6.6 in the Family Health Strategy. A difference was identified between the models, with better results in the Family Health Strategy compared to traditional primary care, in the essential, derived and general scores. It was concluded that the Family Health Strategy presented better results in the evaluated attributes, representing greater quality. Therefore, the expansion of coverage by this model is presented as a strategy to strengthen this level of assistance. The applicability of the study arises from the strategic sharing of results for professionals and managers, aiming at the joint construction of coping guidelines: awareness of the priority agenda for APS, insertion of the Reflection of the Practice as a Permanent Education tool for the teams, strengthening of the Regional Health (DRS) partnership with the university. [ABSTRACT FROM AUTHOR]

Copyright of SMAD Revista Electronica Salud Mental, Alcohol y Drogas is the property of Universidade de Sao Paulo, Escola de Enfermagem de Ribeirao Preto and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Primary Health Care has a fundamental role in the restructuring of the Unified Health System, with public policies aimed at strengthening it, especially with regard to Health Care Networks (RAS), which must be resolutive and having the Strategy Family Health as its main consolidation model. In this context, nursing emerges with essential functions for the care of users and their needs. The research aimed to describe the ways nurses work in PHC, through an integrative review, where it was identified that this professional works through systematized consultations in different life cycles, health promotion actions, disease prevention, support in early diagnosis from diseases, directly observed treatment, to tuberculosis, monitoring and supervision of therapeutic adherence and assistance with the use of clinical nursing protocols. Therefore, in addition to clinical competence, his work involves several types of interpersonal skills. [ABSTRACT FROM AUTHOR]

Copyright of Saúde Coletiva is the property of MPM Comunicacao and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Nursing & Health is the property of Journal of Nursing & Health (JONAH) and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Objective: report the experience of carrying out permanent education actions in a rural family health unit during the pandemic period. Method: this is a descriptive study, of the experience report type, on the cycle of permanent education activities carried out in a rural family health unit in the months of August and September 2020, under the methodology of humanescent experiential pedagogy. Results: themes discussed were light technologies, family approach, acceptance of spontaneous demand with risk classification and cardiovascular risk stratification from the perspective of education and health promotion. Conclusion: continuing education allowed us to redefine knowledge and qualify the care provided at the unit in the context of a pandemic. [ABSTRACT FROM AUTHOR]

Objective: to analyze breastfeeding promotion strategies and factors related to early weaning among mothers who use a Family Health Strategy in a city in the north of Minas Gerais, Brazil. Method: this is a descriptive, qualitative study carried out with 16 mothers. Data were collected between August and September 2020 through interviews analyzed using Content Analysis. Results: the knowledge of mothers is focused on the benefits for the health and development of the child to the detriment of others. Mothers have difficulties to practice breastfeeding due to breast changes and reported early weaning due to low milk production, difficulty in the baby latching on and introduction of bottles. Conclusions: mothers are aware of the benefits of breastfeeding, obtained mainly from guidance received in multidisciplinary care, but this was not enough to prevent early weaning. Thus, other strategies should be considered, not only for the purpose of clarifying possible doubts, but also favoring feedback from the mother (demands about breastfeeding and other health needs that may interfere in this period), as well as strengthening the supervision of professionals. [ABSTRACT FROM AUTHOR]

Objective: To describe, based on a report of managerial experience, the impacts caused in the daily life of a basic health unit, resulting from the practical transition of different programs of Electronic Patient Record (PEP). Methods: Descriptive study with a qualitative approach, such as an experience report, from the managerial experience in a basic health unit located in the city of Rio de Janeiro, from March 2018 to February of 2020. Results: The experience points to important challenges resulting from the transition process between the different existing programs, among them the continuous qualification professional, the limitations of technological and the impact caused in the information from the transitions, resulting in frequent re-registration moments. Conclusion: This study points to the need to consolidate a single PEP, in view of the disorders reported as a result of constant PEP transitions, and, mainly, to invest in the improvement of this tool based on the difficulties that emerge from the daily practice. [ABSTRACT FROM AUTHOR]

Copyright of Revista Brasileira em Promoção da Saúde is the property of Revista Brasileira em Promocao da Saude and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Revista Brasileira em Promoção da Saúde is the property of Revista Brasileira em Promocao da Saude and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Revista de Pesquisa: Cuidado é Fundamental is the property of Revista de Pesquisa: Cuidado e Fundamental Online and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Revista de Pesquisa: Cuidado é Fundamental is the property of Revista de Pesquisa: Cuidado e Fundamental Online and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Revista de Pesquisa: Cuidado é Fundamental is the property of Revista de Pesquisa: Cuidado e Fundamental Online and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Acta Paulista de Enfermagem is the property of Universidade Federal de Sao Paulo, Escola Paulista de Enfermagem and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Nursing & Health is the property of Journal of Nursing & Health (JONAH) and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Nursing & Health is the property of Journal of Nursing & Health (JONAH) and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Revista Gaucha de Enfermagem is the property of Revista Gaucha de Enfermagem and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Nursing UFPE / Revista de Enfermagem UFPE is the property of Revista de Enfermagem UFPE and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Enfermagem Brasil is the property of Atlantica Editora and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Saúde Coletiva is the property of MPM Comunicacao and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Objective: Verifying satisfaction and fatigue due to compassion and its associated factors in nurses of the Basic Health Unit. Method: A descriptive and cross-sectional research developed with 101 nurses from 40 Basic Health Units in a municipality of Parana. Data were collected between November 2019 and February 2020 through a questionnaire of sociodemographic characterization, occupational and life habits and the Professional Quality of Life Scale that assesses Satisfaction and Fatigue by Compassion. The associated factors were obtained by logistic regression models. Results: Having a good interpersonal relationship decreased the chances of low satisfaction by compassion (p=0.025) and burnout (p=0.049). Being recognized at work had a significantly lower probability of low compassion satisfaction (p=0.040). Conclusion: Good interpersonal relationships were associated with compassion satisfaction and burnout. Feeling recognized for the work done was also associated with satisfaction for compassion. Most nurses, even with high levels of satisfaction due to compassion, feel tired, which leads to reinforce the need for greater attention to the work developed by nurses in the Basic Health Unit by managers. [ABSTRACT FROM AUTHOR]

Copyright of Cadernos de Saude Publica is the property of Escola Nacional de Saude Publica Sergio Arouca and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Nursing & Health is the property of Journal of Nursing & Health (JONAH) and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Saúde Coletiva is the property of MPM Comunicacao and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Saúde Coletiva is the property of MPM Comunicacao and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Saúde Coletiva is the property of MPM Comunicacao and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Revista de Enfermagem e Atenção à Saúde (REAS) is the property of Revista de Enfermagem e Atencao a Saude - Reas and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Revista de Enfermagem e Atenção à Saúde (REAS) is the property of Revista de Enfermagem e Atencao a Saude - Reas and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)