Endoscopic management of obstructive jaundice due to cavernous transformation of the portal vein - GÜRKAYNAK, Gönül; SEZGİN, Orhan and KOŞAR, Yasemin and ALTIPARMAK, Emin and YILMAZ, Uğur and ŞAHİN, Burhan (Turkish Journal of Gastroenterology, 1998)