Endoscopic management of non-variceal upper gastrointestinal bleeding: the effects of endoscopic approaches on treatment success and evaluation of succes rates according to Forrest classification. - TAŞKIN, Vildan; ALADAĞ, Murat; YILDIRIM, Bülent; KARINCAOĞLU, Melih; SARI, Ramazan; HİLMİOĞLU, Fatih (Turkish Journal of Gastroenterology, 1998)