Tan, Yee Ling, et al. “‘SWINGING HEART’ IN A SEVERELY HYPOTHYROID PATIENT: A CASE REPORT”. Journal of the ASEAN Federation of Endocrine Societies, vol. 39, no. S1, July 2024, pp. 113-4, https://asean-endocrinejournal.org/index.php/JAFES/article/view/4801.