Tan, M. K. A., Lim Alba, R. and Li, K. (2023) “Association of Vitamin D levels on the Clinical Outcomes of Patients Hospitalized for COVID-19 in a Tertiary Hospital”, Journal of the ASEAN Federation of Endocrine Societies, 38(1), pp. 81–89. doi: 10.15605/jafes.038.01.07.