Efficacy of The Ranitidine Bismuth Citrate And Chlaritromycin Combination For Ulcer Healing And Helicobacter Pylori Eradication . Annals of Medical Research, [S. l.], v. 9, n. 3, p. 0169–0173, 2021. Disponível em: http://www.annalsmedres.org/index.php/aomr/article/view/2923. Acesso em: 9 may. 2025.