THE EFFECT OF AMOXICILIN + OMEPRAZOL AND COILOIDAL BISMUTH SUBCITRATE + ORNIDAZOL COMBINATIONS ON DUODENAL ULCER HEALING IN HELICOBACTER PYLORI POZITIVE ANTRAL GASTRITIS WITH DUODENAL ULCER PATIENTS - HÜLAGÜ, Saadeddin; ÖZEL, Melih; ALTIN, Mehmet; DANACI, Mehmet; EVRENKAYA, Rıfkı; ÇAVUŞLU, Şaban; ÖZCAN, Ali; DUMANHAN, Levent (Turkish Journal of Gastroenterology, 1994)