EVALUATION OF PRE-OPERATIVE ULTRASOUND FINDINGS IN PREDICTING DIFFICULTIES IN LAPAROSCOPIC CHOLECYSTECTOMY FOR ACUTE CHOLECYSTITIS . Iraqi Journal of Medical Sciences, [S. l.], v. 11, n. 1, 2016. Disponível em: https://iraqijms.com/index.php/jms/article/view/176. Acesso em: 10 may. 2025.