![Physiological and Operative Severity Score for the enUmeration of Mortality and morbidity and modified Physiological and Operative Severity Score for the enUmeration of Mortality and morbidity for the mortality prediction among nonagenarians undergoing emergency surgery]()
Physiological and Operative Severity Score for the enUmeration of Mortality and morbidity and modified Physiological and Operative Severity Score for the enUmeration of Mortality and morbidity for the mortality prediction among nonagenarians undergoing emergency surgeryImaoka, Yuki; Itamoto, Toshiyuki; Nakahara, Hideki; Oishi, Koichi; Matsugu, Yasuhiro; Urushihara, Takashi · Journal of Surgical Research · 2017