VENTURA, S.; CANCELA, E.; SILVA, A. Oseltamivir-induced upper gastrointestinal bleeding. Journal of Gastrointestinal and Liver Diseases, [S. l.], v. 32, n. 3, p. 412–413, 2023. DOI: 10.15403/jgld-4925. Disponível em: https://jgld.ro/jgld/index.php/jgld/article/view/4925. Acesso em: 15 jul. 2025.