Cite
Identifying the PECO:A framework for formulating good questions to explore the association of environmental and other exposures with health outcomes
MLA
Paul Whaley, et al. Identifying the PECO:A Framework for Formulating Good Questions to Explore the Association of Environmental and Other Exposures with Health Outcomes. Dec. 2018. EBSCOhost, https://doi.org/10.1016/j.envint.2018.07.015.
APA
Paul Whaley, Holger J. Schünemann, Kristina A. Thayer, & Rebecca L. Morgan. (2018). Identifying the PECO:A framework for formulating good questions to explore the association of environmental and other exposures with health outcomes. https://doi.org/10.1016/j.envint.2018.07.015
Chicago
Paul Whaley, Holger J. Schünemann, Kristina A. Thayer, and Rebecca L. Morgan. 2018. “Identifying the PECO:A Framework for Formulating Good Questions to Explore the Association of Environmental and Other Exposures with Health Outcomes,” December. doi:10.1016/j.envint.2018.07.015.