title: Preoperative cardiac risk assessment for noncardiac surgery.
authors.forename: J A
authors.initials: JA
authors.lastname: Leppo
mesh_terms: D006321:Heart / Q000000981:diagnostic imaging*; D006801:Humans; D011300:Preoperative Care; D011877:Radionuclide Imaging; D018570:Risk Assessment; D013794:Thallium Radioisotopes
chemical_list: D013794:Thallium Radioisotopes