GRADE guidelines: 20. Assessing the certainty of evidence in the importance of outcomes or values and preferences-inconsistency, imprecision, and other domains.

MLA

Zhang, Yuan, et al. “GRADE Guidelines: 20. Assessing the Certainty of Evidence in the Importance of Outcomes or Values and Preferences-Inconsistency, Imprecision, and Other Domains.” Journal of Clinical Epidemiology, vol. 111, July 2019, pp. 83–93. EBSCOhost, https://doi.org/10.1016/j.jclinepi.2018.05.011.

APA

Zhang, Y., Coello, P. A., Guyatt, G. H., Yepes-Nuñez, J. J., Akl, E. A., Hazlewood, G., Pardo-Hernandez, H., Etxeandia-Ikobaltzeta, I., Qaseem, A., Williams, J. W., Jr, Tugwell, P., Flottorp, S., Chang, Y., Zhang, Y., Mustafa, R. A., Rojas, M. X., Xie, F., & Schünemann, H. J. (2019). GRADE guidelines: 20. Assessing the certainty of evidence in the importance of outcomes or values and preferences-inconsistency, imprecision, and other domains. Journal of Clinical Epidemiology, 111, 83–93. https://doi.org/10.1016/j.jclinepi.2018.05.011

Chicago

Zhang, Yuan, Pablo Alonso Coello, Gordon H Guyatt, Juan Jose Yepes-Nuñez, Elie A Akl, Glen Hazlewood, Hector Pardo-Hernandez, et al. 2019. “GRADE Guidelines: 20. Assessing the Certainty of Evidence in the Importance of Outcomes or Values and Preferences-Inconsistency, Imprecision, and Other Domains.” Journal of Clinical Epidemiology 111 (July): 83–93. doi:10.1016/j.jclinepi.2018.05.011.