Role of Vitamin A, Iron, Zinc and Copper in Relation to Anemia Severity in Pregnancy. International Journal of Environmental Sciences, [S. l.], p. 712–718, 2025. DOI: 10.64252/dxgp8r91. Disponível em: https://theaspd.com/index.php/ijes/article/view/7344.. Acesso em: 26 aug. 2026.