Lattarulo S, Ugenti I, Filograna MA, Pezzolla A, Ferrarese F, Fabiano G. Extra-ampullary duodenal tumours. Ann Ital Chir [Internet]. 2007 Jan. 1 [cited 2025 May 17];78(1):21-6. Available from: https://annaliitalianidichirurgia.it/index.php/aic/article/view/2604