Comparing of the efficacy of antacid and combination of antacid and H2RA on active nonvariceal upper gastrointestinal bleeding - ERGİN, Ali and AKSÖZ, Kadir and ÖNDER, Günay and GÖNENÇ, Uğur and YAZICIOĞLU, Nafi and ÜNSAL, Belkıs and KARACA, Himmet and KOŞAY, Sadun (Turkish Journal of Gastroenterology, 1995)