Esophageal variceal ligation for acute variceal bleeding: Results of three years' follow-up - ALTINTAŞ, Engin; SEZGİN, Orhan; KACAR, Sabite; TUNÇ, Bilge; PARLAK, Erkan; ALTIPARMAK, Emin; SARITAŞ, Ülkü (Turkish Journal of Gastroenterology, 2004)