Cheah, J. M. ., and P. L. . Chan. “SERENDIPITOUS DISCOVERY OF HYPERCALCEMIA IN PREGNANCY IN A PATIENT WITH ASYMPTOMATIC BRADYCARDIA ON BETA BLOCKER”. Journal of the ASEAN Federation of Endocrine Societies, vol. 37, July 2022, p. 49, https://asean-endocrinejournal.org/index.php/JAFES/article/view/2317.