DESHMUKH, S. N.; PARIKH, H. P. Open versus laparoscopic repair of perforated duodenal ulcer: a comparative study. International Surgery Journal, [S. l.], v. 7, n. 4, p. 1004–1008, 2020. DOI: 10.18203/2349-2902.isj20201380. Disponível em: https://www.ijsurgery.com/index.php/isj/article/view/5430. Acesso em: 10 nov. 2025.