APPRECIATION OF PRIMARY RESECTıON IN SıGMOID COLON VOLVULUS - KUŞDEMİR, Ahmet; DEMİREL, Hakan; AKGÜN, Yusuf AKİF; KAPTANOĞLU, Buğra; TUĞ, Tuğbay; ARIKAN, Vehip; ALTAY, Kemal (Turkish Journal of Gastroenterology, 1993)