I, Ilham, et al. “VIPOMA: A RARE CAUSE OF CHRONIC DIARRHOEA WITH HYPOKALEMIA, METABOLIC ACIDOSIS AND PANCREATIC MASS”. Journal of the ASEAN Federation of Endocrine Societies, vol. 34, July 2019, p. 47, https://asean-endocrinejournal.org/index.php/JAFES/article/view/4289.