title: Report cards on cardiac surgeons.
authors.forename: A J
authors.initials: AJ
authors.lastname: Hartz
authors.forename: E M
authors.initials: EM
authors.lastname: Kuhn
authors.forename: K L
authors.initials: KL
authors.lastname: Kayser
mesh_terms: D006348:Cardiac Surgical Procedures / Q000401:mortality*; D002309:Cardiology / Q000592:standards*; D016208:Databases, Factual; D003953:Diagnosis-Related Groups; D006801:Humans; D015233:Models, Statistical