Cite
Grading quality of evidence and strength of recommendations: a perspective.
MLA
Mohammed T Ansari, et al. “Grading Quality of Evidence and Strength of Recommendations: A Perspective.” PLoS Medicine, vol. 6, no. 9, Sept. 2009, p. e1000151. EBSCOhost, https://doi.org/10.1371/journal.pmed.1000151.
APA
Mohammed T Ansari, Alexander Tsertsvadze, & David Moher. (2009). Grading quality of evidence and strength of recommendations: a perspective. PLoS Medicine, 6(9), e1000151. https://doi.org/10.1371/journal.pmed.1000151
Chicago
Mohammed T Ansari, Alexander Tsertsvadze, and David Moher. 2009. “Grading Quality of Evidence and Strength of Recommendations: A Perspective.” PLoS Medicine 6 (9): e1000151. doi:10.1371/journal.pmed.1000151.