Ramfidis, Vassilis Stefanos, Konstantinos N Syrigos, and Muhammad Wasif Saif. “Ampullary and Periampullary Adenocarcinoma: New Challenges in Management of Recurrence”. JOP. Journal of the Pancreas 14, no. 2 (March 10, 2013): 158–160. Accessed December 29, 2025. https://serena.sharepress.it/index.php/jop/article/view/1471.