Chetty, R. “Intraductal Papillary Mucinous Neoplasm With More Than One Histologic Type of Epithelium”. Journal of Gastrointestinal and Liver Diseases, Vol. 18, no. 2, June 2009, pp. 251-9, https://www.jgld.ro/jgld/index.php/jgld/article/view/2009.2.201.