Musa, J., C. Mohammed, A. Ocheke, M. Kahansim, V. Pam, and P. Daru. “Incidence and Risk Factors for Pre-Eclampsia in Jos Nigeria”. African Health Sciences, vol. 18, no. 3, Aug. 2018, pp. 584-95, doi:10.4314/ahs.v18i3.16.