title: Levels of evidence: how they help in applying study findings to clinical practice.
authors.affiliation: UPMC Shadyside Family Medicine, Pittsburgh, PA, USA. finkelsteina@upmc.edu
authors.forename: Alan
authors.initials: A
authors.lastname: Finkelstein
mesh_terms: D019317:Evidence-Based Medicine / Q000145:classification*; D005194:Family Practice; D005260:Female; D006801:Humans; D016032:Randomized Controlled Trials as Topic / Q000379:methods; D014481:United States; D016270:United States Agency for Healthcare Research and Quality