GAYATTHRI SRISRI. A prospective observational study of effect of vitamin d deficiency on adverse pregnancy outcome in a tertiary care hospital. International Journal of Health and Clinical Research, [S. l.], v. 4, n. 15, p. 211–214, 2021. Disponível em: https://ijhcr.com/index.php/ijhcr/article/view/2469. Acesso em: 13 dec. 2025.