Vitamin D in COVID-19 patients: current overview . Research, Society and Development, [S. l.], v. 10, n. 13, p. e171101321167, 2021. DOI: 10.33448/rsd-v10i13.21167. Disponível em: https://rsdjournal.org/rsd/article/view/21167. Acesso em: 5 dec. 2025.