1. WHO classification of tumors editorial board,2019
2. Papillary tumors of the pancreas: benign or malignant? Tumors of the pancreas;Franz,1959
3. Clinicopathological feature and surgical treatment of solid-pseudopapillary tumor of the pancreas - a Review of 302 cases reported in Japan and our six cases;Yoshioka;Journal of Biliary Tract & Pancreas,2001
4. Ultrasonographic diagnosis of pancreatic neoplasm;Horiguchi;Jpn J Med Ultrasonics,2007
5. Gender differences in clinicopathological features of 20 cases with solid pseudopapillary neoplasms of the pancreas;Akimoto;J. Jpn. Panc. Soc,2016