Mortality review in the University Department of Surgery, Singapore General Hospital: January-December, 1981.
D000368:Aged; D000369:Aged, 80 and over; D003430:Cross-Sectional Studies; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications / Q000401:mortality*; D012306:Risk; D012846:Singapore