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