1. Vinik A. Vasoactive Intestinal Peptide Tumor (VIPoma) [Updated 2013 Nov 28]. In: De Groot LJ, Beck-Peccoz P, Chrousos G, et al., editors. Endotext [Internet]. South Dartmouth (MA): MDText.com, Inc.; 2000-. Available from: http://www.ncbi.nlm.nih.gov/books/NBK278960/
2. Camera L, Severino R, Faggiano A et-al. Contrast enhanced multi-detector CT and MR findings of a well-differentiated pancreatic vipoma. World J Radiol. 2014;6 (10): 840-5.
3. Lewis RB, Lattin GE, Paal E. Pancreatic endocrine tumors: radiologic-clinicopathologic correlation. Radiographics. 2010;30 (6): 1445-64.
4. O'Dorisio TM, Mekhjian HS, Gaginella TS. Medical therapy of VIPomas. (1989) Endocrinology and metabolism clinics of North America. 18 (2): 545-56.
5. Smith SL, Branton SA, Avino AJ, Martin JK, Klingler PJ, Thompson GB, Grant CS, van Heerden JA. Vasoactive intestinal polypeptide secreting islet cell tumors: a 15-year experience and review of the literature. (1998) Surgery. 124 (6): 1050-5.