Samlafo, B.V., Bobobee, L.H., Yeboah, P.O. and Armah, Y.S.-. 2014. Speciation of Se(IV) and Se(VI) in Human Blood Samples from Residents of Wassa West District, a Mining Impacted Area of Ghana. The International Journal of Science & Technoledge. 2, 9 (Sep. 2014).