title: AHRQ series commentary 1: rating the evidence in comparative effectiveness reviews.
authors.affiliation: Division of Gastroenterology, Case and VA Medical Center, Case Western Reserve University, Cleveland, OH 44106, USA.
authors.forename: Yngve
authors.initials: Y
authors.lastname: Falck-Ytter
authors.forename: Holger
authors.initials: H
authors.lastname: Schünemann
authors.forename: Gordon
authors.initials: G
authors.lastname: Guyatt
mesh_terms: D019317:Evidence-Based Medicine / Q000379:methods* / Q000592:standards; D006801:Humans; D017063:Outcome Assessment, Health Care / Q000379:methods; D012196:Review Literature as Topic; D014481:United States; D016270:United States Agency for Healthcare Research and Quality