AGRAWAL, B. K.; YADAV, S. P.; KALIA, S.; YADAV, A.; KUMAR, A. Prevalence of vitamin D deficiency among COVID-19 patients: A cross-sectional study. International journal of health sciences, [S. l.], v. 6, n. S3, p. 1655–1663, 2022. DOI: 10.53730/ijhs.v6nS3.5719. Disponível em: https://sciencescholar.us/journal/index.php/ijhs/article/view/5719. Acesso em: 18 aug. 2024.