EGIGBA, G. O.; ODOKUMA, E. I.; IKHATUA, U. J.; BAMIKOLE, M. A. Concentration of some heavy metals in the hair, kidney and liver of cattle and goats in the oil and non–oil producing areas of Ondo State. Nigerian Journal of Animal Production, [S. l.], v. 44, n. 3, p. 49–55, 2021. DOI: 10.51791/njap.v44i3.646. Disponível em: https://njap.org.ng/index.php/njap/article/view/646. Acesso em: 2 sep. 2026.