Scientific evidence on vitamin D supplementation in patients affected by COVID-19: an integrative bibliographic review. Research, Society and Development, [S. l.], v. 10, n. 14, p. e485101422188, 2021. DOI: 10.33448/rsd-v10i14.22188. Disponível em: https://rsdjournal.org/rsd/article/view/22188. Acesso em: 5 dec. 2025.