KULKARNI, S. V.; KUMAR, S. S. Preoperative predictors of a difficult laparoscopic cholecystectomy. International Surgery Journal, [S. l.], v. 5, n. 2, p. 608–613, 2018. DOI: 10.18203/2349-2902.isj20180362. Disponível em: https://www.ijsurgery.com/index.php/isj/article/view/2362. Acesso em: 16 apr. 2026.