Clinical Outcome of Vitamin D Supplementation in Moderate and Severe COVID-19 Patients: A Randomized Clinical Trial. Academia Journal of Medicine, [S. l.], v. 7, n. 1, p. 86–89, 2024. DOI: 10.48165/f1mdjc96. Disponível em: https://www.journals.acspublisher.com/index.php/ajm/article/view/18760. Acesso em: 4 may. 2025.