1.
Sajinadiyasa IGK, Suega K, Andari K. N. Correlations between level of vitamin D serum and disease severity COVID-19. Int J Adv Med [Internet]. 2024 Aug. 27 [cited 2025 Dec. 24];11(5):445-8. Available from: https://www.ijmedicine.com/index.php/ijam/article/view/4078