KHETAN, A. K.; YEOLA, M. Preoperative prediction of difficult laparoscopic cholecystectomy using a scoring system. International Surgery Journal, [S. l.], v. 4, n. 10, p. 3388–3391, 2017. DOI: 10.18203/2349-2902.isj20174501. Disponível em: https://www.ijsurgery.com/index.php/isj/article/view/1835. Acesso em: 9 nov. 2025.