Tornambè, Antonino, and Giuseppe Tornambè. “Duodenal Gastrointestinal Stromal Tumor A Case Report”. Annali Italiani di Chirurgia 6, no. July (July 25, 2017): 1–5. Accessed June 13, 2025. https://annaliitalianidichirurgia.it/index.php/aic/article/view/681.