AU - Morel Ph, Egeli RA, Wachtl SS, Rohner AA TI - REsults of operative treatment of gastrointestinal tract tumors in patients over 80 years of age PT - JOUR DP - 1989 TA - Archives of Surgery pages = {662-664}, VI - 124 IP - 6 AID - 10.1001/archsurg.1989.01410060024004 [doi] 4100 - http://dx.doi.org/10.1001/archsurg.1989.01410060024004 SO - Archives of Surgery June 1, 1989 124(6):662