Prevalence of vitamin D3 deficiency in antenatal cases in a Tertiary Care Center. International Journal of Biomedical Research, [S. l.], v. 9, n. 6, p. 231–234, 2018. Disponível em: https://www.ssjournals.co.in/index.php/ijbr/article/view/4804. Acesso em: 1 may. 2026.