Endoscopic banding ligation compared with sclerotherapy for the treatment of espohageal varices - DOBRUCALI, Ahmet; BAL, Kadir; TUNCER, Murat; İLKOVA, Feryal and ÇELİK, Aykut and UZUNİSMAİL, Hülya and; AKUL, İbrahim and OKTAY, Ergun (Turkish Journal of Gastroenterology, 1998)