Grading quality of evidence and strength of recommendations: a perspective.
Ansari
Mohammed T
MT
Ottawa Methods Centre, Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Canada. moansari@ohri.ca
Tsertsvadze
Alexander
A
Moher
David
D
D019317:Evidence-Based Medicine / Q000592:standards*; D006801:Humans; D017410:Practice Guidelines as Topic / Q000592:standards*