Spaziani, Erasmo, et al. “An Uncommon Clinical Presentation of Primary Pancreatic Lymphoma: Bleeding. Case Report and Literature Review”. Annali Italiani Di Chirurgia, vol. 10, no. November, Nov. 2021, pp. 1-4, https://annaliitalianidichirurgia.it/index.php/aic/article/view/642.