S, Yi Koon, et al. “INSULIN TOLERANCE TEST VERSUS SHORT SYNACTHEN TEST TO ASSESS HYPOTHALAMUS-PITUITARY ADRENAL AIS IN PATIENTS POST-TRANSSPHENOIDAL SURGERY”. Journal of the ASEAN Federation of Endocrine Societies, vol. 34, July 2019, p. 29, https://asean-endocrinejournal.org/index.php/JAFES/article/view/4209.