title: Reducing variation in surgical care.
authors.forename: David R
authors.initials: DR
authors.lastname: Urbach
authors.forename: Nancy N
authors.initials: NN
authors.lastname: Baxter
mesh_terms: D019317:Evidence-Based Medicine; D006801:Humans; D011787:Quality of Health Care; D013514:Surgical Procedures, Operative / Q000592:standards*