Machado, N. O. (2011) “Large Duodenal Gastrointestinal Stromal Tumor Presenting with Acute Bleeding Managed by a Whipple Resection. A Review of Surgical Options and the Prognostic Indicators of Outcome”, JOP. Journal of the Pancreas, 12(2), pp. 194–199. doi: 10.6092/1590-8577/3354.