Comparison of ranitidine bismuth citrate, tetracycline and metronidazole with ranitidine bismuth citrate and azithromycin for the eradication of Helicobacter pylori in patients resistant to PPI based triple therapy
Engin ALTINTAŞ, Oğuz ULU, Orhan SEZGİN, Özlem AYDIN, Handan ÇAMDEVİREN
(Turk J Gastroenterol 2004; 15: 90-93)