Mucinous biliary obstruction associated with a cholangiocarcinoma - KARAEREN, Necmettin; UYGURER, Can; SARAÇOĞLU, Ergün; ÇETİN, Celalettin and BAĞCI, Sait and GÜLŞEN, Mustafa and UYGUN, Ahmet and DAĞALP, Kemal and ŞAHİN, Burhan and ALPER, Ahmet (Turkish Journal of Gastroenterology, 1998)