title: Knee replacement underused, says panel: useful option when nonsurgical therapies fail.
authors.forename: Brian
authors.initials: B
authors.lastname: Vastag
mesh_terms: D019645:Arthroplasty, Replacement, Knee / Q000592:standards / Q000706:statistics & numerical data; D006801:Humans; D017063:Outcome Assessment, Health Care; D014481:United States / Q000453:epidemiology