Surgical mortality and type of anesthesia provider.
D000758:Anesthesia / Q000145:classification / Q000401:mortality*; D000776:Anesthesiology / Q000592:standards; D015982:Bias; D017052:Hospital Mortality; D006801:Humans; D009719:Nurse Anesthetists / Q000592:standards; D012107:Research Design / Q000592:standards*; D013514:Surgical Procedures, Operative / Q000401:mortality*