ARUMUGAM, R.; PANDURENGAN, K. Pre-operative prediction of difficult laparoscopic cholecystectomy. International Surgery Journal, [S. l.], v. 2, n. 4, p. 584–589, 2016. DOI: 10.18203/2349-2902.isj20151083. Disponível em: https://www.ijsurgery.com/index.php/isj/article/view/774. Acesso em: 16 apr. 2026.