Nwankwo , A. F.,  W. A. Shokunbi, A. O. Asinobi, M. D. Dairo, and E. O. Adebamowo. 2019. “Plasma Lead Levels Among Children at a Tertiary Health Care Institution in Nigeria”. Nigerian Journal of Haematology 3 (1&2): 16-22. https://njhaem.org.ng/index.php/home/article/view/44.