PovesI., AlonsoS., JimenoM., BessaX., BurdíoF., and GrandeL. “Retroperitoneal Inflammatory Pseudotumor Presenting As a Pancreatic Mass”. JOP. Journal of the Pancreas, Vol. 13, no. 3, May 2012, pp. 308-11, doi:10.6092/1590-8577/788.