![Association Between Preoperative Opioid and Benzodiazepine Prescription Patterns and Mortality After Noncardiac Surgery]()
Association Between Preoperative Opioid and Benzodiazepine Prescription Patterns and Mortality After Noncardiac SurgerySigurdsson, Martin I.; Helgadottir, Solveig; Long, Thorir E.; Helgason, Dadi; Waldron, Nathan H.; Palsson, Runolfur; Indridason, Olafur S.; Gudmundsdottir, Ingibjorg J.; Gudbjartsson, Tomas; Sigurdsson, Gisli H. · JAMA Surgery · 2019