Ihejirika, C. E. , Ndubuisi, E.C. , Njoku, J.D. , Emereibeole, E.I. , Ebe, T.E. , Njoku-Tony, R.F. , Ihejirika, O.C. , Imo, E.O. , Nwachukwu, I.N. , Chinakwe, E.C. , Uyo, C.N. , Ezikeudu, C.E. and Ursula, N.N. 2021. Heavy metal contamination of cassava (Manihot esculentum) grown on quarry soils in Umunneochi Abia state and its health implications. EQA - International Journal of Environmental Quality. 45, (Jan. 2021), 1–9. DOI:https://doi.org/10.6092/issn.2281-4485/12563.