JEFFRY, Erick Persson. THE RELATIONSHIP BETWEEN VITAMIN D DEFICIENCY AND THE SEVERITY OF COVID-19. Journal of Advanced Research in Medical and Health Science (ISSN 2208-2425), [S. l.], v. 9, n. 6, p. 54–59, 2023. DOI: 10.53555/nnmhs.v9i6.1733. Disponível em: http://jarmhs.com/MHS/index.php/mhs/article/view/198.. Acesso em: 19 sep. 2024.