Endoscopic treatment of biliary fistulas: results of 20 patients - HİLMİOĞLU, Fatih and YILDIRIM, Bülent and KARINCAOĞLU, Melih and ALADAĞ, Murat and KANTARÇEKEN, Bülent and DOĞAN, İbrahim (Turkish Journal of Gastroenterology, 1999)