Naeem, Namra, et al. “CLINICOPATHOLOGICAL STUDY OF SOLID PSEUDOPAPILLARY TUMOR OF PANCREAS: Solid Pseudopapillary Tumor of Pancreas”. Pakistan Armed Forces Medical Journal, vol. 67, no. 5, Oct. 2017, pp. 803-07, https://www.pafmj.org/PAFMJ/article/view/963.