Egigba GO, Ikhatua UJ, Odokuma EI, Bamikole MA. 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. NJAS [Internet]. 2023 Jun. 5 [cited 2026 Jul. 15];20(4):496-503. Available from: https://www.njas.org.ng/index.php/php/article/view/1056