Roseleen Nadia Roslan, Teh, and Norhayati Yahaya. “Glucagonoma Syndrome: A Case Report”. Journal of the ASEAN Federation of Endocrine Societies, vol. 31, no. 1, Apr. 2016, p. 50, https://asean-endocrinejournal.org/index.php/JAFES/article/view/289.