Relationship Between Serum Vitamin A Levels and Maternal Education and Social Status Among Undernourished Children in Zaria. NIGERIAN JOURNAL OF PAEDIATRICS, [S. l.], v. 51, n. 1, p. 1–9, 2024. Disponível em: https://www.njpaediatrics.com/index.php/njp/article/view/1166.. Acesso em: 23 nov. 2024.