Achilli, Pietro, Marco Chiarelli, Ugo Giustizieri, Morena Burati, Fulvio Tagliabue, Matteo Maternini, Sabina Terragn, and Angelo Guttadauro. “Spontaneous Rupture of a Non-Functioning Pancreatic Neuroendocrine Tumor: A Case Report of a Rare Cause of Acute Abdomen”. Annali Italiani di Chirurgia 9, no. September (January 10, 2020): 1–5. Accessed February 19, 2025. https://annaliitalianidichirurgia.it/index.php/aic/article/view/1896.