EISIG, J. N.; SILVA, F. M.; HASHIMOTO, C.; CHEHTER, E. Z.; LAUDANNA, A. A. Therapeutic efficacy of ranitidine bismuth citrate with clarithromycin for seven days in the eradication of Helicobacter pylori in Brazilian peptic ulcer patients. São Paulo Medical Journal, [S. l.], v. 121, n. 1, p. 15–18, 2003. Disponível em: https://periodicosapm.emnuvens.com.br/spmj/article/view/2568. Acesso em: 18 mar. 2025.