SEYEDSADEGHI, M.; ZANDIAN, H.; MIKAEILIMIRAK, H. Study the frequency of substance abuse in patients with perforated peptic ulcer disease. International Journal of Scientific Reports, [S. l.], v. 9, n. 1, p. 1–4, 2022. DOI: 10.18203/issn.2454-2156.IntJSciRep20223369. Disponível em: https://www.sci-rep.com/index.php/scirep/article/view/1136. Acesso em: 21 sep. 2025.