Efficacy of The Ranitidine Bismuth Citrate And Chlaritromycin Combination For Ulcer Healing And Helicobacter Pylori Eradication . Ann Med Res [Internet]. 2021 May 25 [cited 2025 May 9];9(3):0169-73. Available from: http://www.annalsmedres.org/index.php/aomr/article/view/2923