Catena, Fausto, Rita Maria Melotti, Daniel Louis, Daniela Fortuna, Luca Ansaloni, Federico Coccolini, Salomone Di Saverio, et al. “Cholecystectomy in Emilia-Romagna Region (Italy): A Retrospective Cohort Study Based on a Large Administrative Database”. Annali Italiani di Chirurgia 88, no. 3 (May 1, 2017): 215–221. Accessed May 18, 2025. https://annaliitalianidichirurgia.it/index.php/aic/article/view/1331.