Awareness among mothers of Down syndrome children on the importance of folic acid consumption during pregnancy. International Journal of Biomedical Research, [S. l.], v. 6, n. 11, p. 903–908, 2015. DOI: 10.7439/ijbr.v6i11.2709. Disponível em: https://ssjournals.co.in/index.php/ijbr/article/view/2709. Acesso em: 2 apr. 2026.