Eisig JN, Silva FM, Hashimoto C, Chehter EZ, Laudanna AA. Therapeutic efficacy of ranitidine bismuth citrate with clarithromycin for seven days in the eradication of Helicobacter pylori in Brazilian peptic ulcer patients. Sao Paulo Med J [Internet]. 2003 Jan. 1 [cited 2025 Mar. 18];121(1):15-8. Available from: https://periodicosapm.emnuvens.com.br/spmj/article/view/2568