Superiority of sequential therapy compared to standard therapy for Helicobacter Pylori infection in untreated patients. Portuguese Journal of Family Medicine and General Practice, [S. l.], v. 24, n. 3, p. 434–6, 2008. DOI: 10.32385/rpmgf.v24i3.10515. Disponível em: https://rpmgf.pt/ojs/index.php/rpmgf/article/view/10515. Acesso em: 17 apr. 2026.