Frattaroli, Fabrizio Maria, Delia Proposito, Anna Maria Conte, Domenico Spoletini, Aldo Nunziale, and Giuseppe Pappalardo. 2009. “Assessment of Guidelines to Improve Diagnosis and Treatment of Solid Pseudopapillary Tumor of the Pancreas A Case Report and Literature Review”. Annali Italiani Di Chirurgia 80 (1):29-34. https://annaliitalianidichirurgia.it/index.php/aic/article/view/164.