Bamidele, J.A., Idowu, A.B., Ademolu, K.O., Akinloye, O.A. and Bamgbola, A.A. 2015. Heavy metal accumulation and biochemical evaluation of earthworms from sawmills in Abeokuta, South-Western Nigeria. Revista de Biología Tropical. 63, 4 (Dec. 2015), 1213–1221. DOI:https://doi.org/10.15517/rbt.v63i4.16194.