Serum and Stool Levels of Zinc, Copper and Vitamin A in Children aged 6-24 Months with Diarrhoea. NIGERIAN JOURNAL OF PAEDIATRICS, [S. l.], v. 36, n. 1&2, p. 29–32, 2024. Disponível em: https://www.njpaediatrics.com/index.php/njp/article/view/543.. Acesso em: 3 apr. 2025.