HOTA, P. K.; BUNG, N.; PRASHANTH, Y. V. A study of non-traumatic gastrointestinal perforations in a tropical country. International Surgery Journal, [S. l.], v. 8, n. 9, p. 2656–2661, 2021. DOI: 10.18203/2349-2902.isj20213592. Disponível em: https://www.ijsurgery.com/index.php/isj/article/view/7788. Acesso em: 13 oct. 2025.