H. U. Ibrahim, A. I. Rabasa, H. A. Elechi, A. G. Farouk, I. H. Saidu, and L. B. Maryah, “Factors associated with abnormal glomerular filtration rate among HIV-positive children at the University of Maiduguri Teaching Hospital, Maiduguri, Nigeria”, Afr J Nephrol, vol. 21, no. 1, pp. 50-55, Nov. 2018.