title: Complex issue of surgical outcome and hospital volume for several high-risk procedures.
authors.forename: William G
authors.initials: WG
authors.lastname: Cioffi
authors.forename: Natalie
authors.initials: N
authors.lastname: Coburn
mesh_terms: D006801:Humans; D012237:Rhode Island / Q000453:epidemiology; D013503:Surgery Department, Hospital / Q000706:statistics & numerical data*; D013514:Surgical Procedures, Operative / Q000009:adverse effects* / Q000401:mortality*; D016526:Workload