Somatostatin in the treatment of upper gastrointestinal bleeding due to peptic ulcer - UZUN, Yusuf; YAŞA, Hadi; BOZKAYA, Hakan; BEKTAŞ, Ahmet; ÖZKAN, Hasan; ÖRMECİ, Necati and DÖKMECİ, Abdülkadir and UZUNALİMOĞLU, Özden (Turkish Journal of Gastroenterology, 1999)