Ugwuja E, Nwosu K, Ugwu N, Okonji M. Serum Zinc and Copper Levels in Malnourished Pre-School Age Children in Jos, North Central Nigeria. Pak. J. Nutr. [Internet]. 2007 Jun. 15 [cited 2025 Jul. 4];6(4):349-54. Available from: https://pjnonline.org/pjn/article/view/496