Tan MKA, Lim Alba R, Li K. Association of Vitamin D levels on the Clinical Outcomes of Patients Hospitalized for COVID-19 in a Tertiary Hospital. J ASEAN Fed Endocr Soc [Internet]. 2023 Feb. 27 [cited 2024 Nov. 21];38(1):81-9. Available from: https://asean-endocrinejournal.org/index.php/JAFES/article/view/2437