PASHA, M. M.; R. I., D. Rise in incidence of perforated peptic ulcer in young-change in the trends in etiology. International Surgery Journal, [S. l.], v. 9, n. 6, p. 1156–1158, 2022. DOI: 10.18203/2349-2902.isj20221403. Disponível em: https://www.ijsurgery.com/index.php/isj/article/view/8816. Acesso em: 22 feb. 2026.