Non operative management of perforated peptic ulcer an algorithm approach. International Journal of Biomedical and Advance Research, [S. l.], v. 4, n. 2, p. 67–72, 2013. DOI: 10.7439/ijbar.v4i2.924. Disponível em: https://ssjournals.co.in/index.php/ijbar/article/view/267. Acesso em: 11 mar. 2026.