Onah, I.E., Moses, E.V., Ugwuoke, I.E., Eze, S.C., Okwor, J.I. and Ubachukwu, P.O. 2019. Comparative ABO blood group and rhesus factor distribution between homogenous and heterogenous populations in South Eastern Nigeria. Asian Journal of Medical Sciences. 10, 5 (Aug. 2019), 37–42. DOI:https://doi.org/10.3126/ajms.v10i5.25013.