title: Perioperative risk: how can we study the influence of provider characteristics?
authors: Lee A
authors: LA
authors: Fleisher
authors: Gerard F
authors: GF
authors: Anderson
mesh_terms: D000758:Anesthesia / Q000401:mortality*; D000761:Anesthesia Department, Hospital / Q000458:organization & administration; D006282:Health Personnel; D006801:Humans; D007431:Intraoperative Complications / Q000453:epidemiology* / Q000401:mortality; D006278:Medicare; D018570:Risk Assessment; D013514:Surgical Procedures, Operative / Q000401:mortality