MALLIGURKI, V. K.; A., B. Pre-operative assessment of difficult laparoscopic cholecystectomy: a scoring method. International Surgery Journal, [S. l.], v. 8, n. 12, p. 3520–3524, 2021. DOI: 10.18203/2349-2902.isj20214463. Disponível em: https://www.ijsurgery.com/index.php/isj/article/view/8330. Acesso em: 20 feb. 2026.