KANAGALA, R.; NALLAPANENI, V. Effectiveness of preoperative scoring in predicting the difficult and extremely difficult laparoscopic cholecystectomy. International Surgery Journal, [S. l.], v. 6, n. 6, p. 2058–2064, 2019. DOI: 10.18203/2349-2902.isj20192366. Disponível em: https://www.ijsurgery.com/index.php/isj/article/view/4162. Acesso em: 10 nov. 2025.