BABU K., D.; BHASKAR, M. A clinical study of factors affecting the prognosis in duodenal ulcer perforation cases in tertiary care hospital, Kanchipuram district. International Surgery Journal, [S. l.], v. 6, n. 12, p. 4290–4293, 2019. DOI: 10.18203/2349-2902.isj20195214. Disponível em: https://www.ijsurgery.com/index.php/isj/article/view/5197. Acesso em: 20 feb. 2026.