Porycka, Urszula, Katarzyna Szmuc, Jakub Kobecki, and Mariusz Chabowski. 2021. “Surgical Management of Cholecystoduodenal Fistula Complicated by Ileus (Mirizzi Syndrome Type Vb). A Case Report”. Annali Italiani Di Chirurgia 10 (April):1-5. https://annaliitalianidichirurgia.it/index.php/aic/article/view/771.