RAVI S; PRADEEP YM; SHANKARLAL J; RAJANNA B. Study of Risk factors predicting increased morbidity and mortality in perforated peptic Ulcer-Our Institutional Perspective. International Journal of Health and Clinical Research, [S. l.], v. 4, n. 14, p. 355–360, 2021. Disponível em: https://ijhcr.com/index.php/ijhcr/article/view/2362. Acesso em: 23 feb. 2025.