Association of serum 25-hydroxyvitamin D in COVID-19: A study from India. Nepal Mediciti Medical Journal, [S. l.], v. 2, n. 1, p. 26–33, 2021. DOI: 10.3126/nmmj.v2i1.37218. Disponível em: https://www.nepjol.info/index.php/nmmj/article/view/37218. Acesso em: 9 jul. 2026.