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