CHHAPARIA, S.; DEWANGAN, K. P.; RAO GEDDAM, S. Prediction of difficult laparoscopic cholecystectomy on the basis of preoperative ultrasonography assessment. International Surgery Journal, [S. l.], v. 11, n. 1, p. 75–87, 2023. DOI: 10.18203/2349-2902.isj20233926. Disponível em: https://www.ijsurgery.com/index.php/isj/article/view/10059. Acesso em: 20 oct. 2025.