Effect of a Single High-Dose Vitamin D3 on the Length of Hospital Stay of Severely 25-Hydroxyvitamin D-Deficient Patients with COVID-19. Clinics, [S. l.], v. 76, p. e3549, 2021. DOI: 10.6061/clinics/2021/e3549. Disponível em: https://www.journals.usp.br/clinics/article/view/212923.. Acesso em: 9 jun. 2024.