Study of serum vitamin B12 levels in pregnant mothers and their newborns and its relation to growth of the infants. Indian Journal of Child Health, [S. l.], v. 4, n. 2, p. 203–206, 2022. DOI: 10.32677/IJCH.2017.v04.i02.021. Disponível em: https://mansapublishers.com/ijch/article/view/117.. Acesso em: 5 aug. 2024.