ABBAS, B. G.; AL KHALIDI, N. M.; JASIM, A. H. Level of serum 25(OH) vitamin D among hospitalized COVID-19 patients in Iraq, Diwaniyah city. International journal of health sciences, [S. l.], v. 6, n. S1, p. 14475–14480, 2022. DOI: 10.53730/ijhs.v6nS1.8742. Disponível em: https://sciencescholar.us/journal/index.php/ijhs/article/view/8742. Acesso em: 21 jun. 2026.