AYDIN, A. (2005) “The efficacy of two-week therapy with ranitidine bismuth citrate, amoxicillin and clarithromycin on Helicobacter pylori eradication in clarithromycinresistant and- sensitive cases”, Turkish Journal of Gastroenterology, 16(4), pp. 203–206. Available at: https://turkjgastroenterol.org/index.php/tjg/article/view/1447 (Accessed: 1 January 2026).