Serum and Stool Levels of Zinc, Copper and Vitamin A in Children aged 6-24 Months with Diarrhoea. Niger J Paediatr [Internet]. 2024 Jul. 2 [cited 2025 Apr. 3];36(1&2):29-32. Available from: https://www.njpaediatrics.com/index.php/njp/article/view/543