Algin, Oktay, et al. “Periampullary Localized Pancreatic Intraepithelial Neoplasia-3 (PanIN-3): Evaluation With Contrast-Enhanced MR Cholangiography (MRCP)”. Radiology and Oncology, vol. 45, no. 4, Dec. 2011, https://www.radioloncol.com/index.php/ro/article/view/1053.