Di Marco, L., M. Berghenti, and M. Felloni. “PRIMARY ADENOCARCINOMA OF THE SECOND PORTION OF DUODENUM”. Annali Italiani di Chirurgia 74, no. 5 (September 1, 2003): 573–577. Accessed May 1, 2024. https://annaliitalianidichirurgia.it/index.php/aic/article/view/3106.