Levels of evidence: how they help in applying study findings to clinical practice.
Finkelstein
Alan
A
UPMC Shadyside Family Medicine, Pittsburgh, PA, USA. finkelsteina@upmc.edu
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