title: Variation in hospital mortality associated with surgery.
authors.forename: T Flint
authors.initials: TF
authors.lastname: Gray
mesh_terms: D017052:Hospital Mortality; D006801:Humans; D015994:Incidence; D011183:Postoperative Complications / Q000453:epidemiology*; D013223:Statistics as Topic; D013514:Surgical Procedures, Operative / Q000401:mortality*