EGIGBA, G. O.; IKHATUA, U. J.; ODOKUMA, E. I.; BAMIKOLE, M. A. Concentration of selected heavy metals in the hair, kidneys and livers of cattle and goats raised on in the oil and non – oil producing areas of Delta State. Nigerian Journal of Animal Science, [S. l.], v. 20, n. 4, p. 496–503, 2023. Disponível em: https://www.njas.org.ng/index.php/php/article/view/1056. Acesso em: 15 jul. 2026.