Petrou, Athanasios, Konstantinos Bramis, Timothy Williams, Alexandros Papalambros, Eleftherios Mantonakis, and Evangelos Felekouras. 2011. “Acute Recurrent Pancreatitis: A Possible Clinical Manifestation of Ampullary Cancer”. JOP. Journal of the Pancreas 12 (6), 593-97. https://doi.org/10.6092/1590-8577/555.