Nkwabong, E., and J. N. Fomulu. “Dilatation and Curettage Versus Manual Vacuum Aspiration for First Trimester Clandestine Abortions”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 4, no. 3, Feb. 2017, pp. 716-20, doi:10.18203/2320-1770.ijrcog20150079.