L., Y. S., and T. Jamilu. “Availability and Utilization of Emergency Obstetric Care Public Health Facilities in Zaria, Northern Nigeria”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 8, no. 9, Aug. 2019, pp. 3535-42, doi:10.18203/2320-1770.ijrcog20193772.