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