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