Osakue, N. O., Onyenekwe, C. C., Ahaneku, J. E., Onyegbule, O. A. and Okunoghae, P. O. (2017) “Examination stress and its effect on ovulation of female undergraduate students”, International Journal of Research in Medical Sciences, 3(10), pp. 2618–2622. doi: 10.18203/2320-6012.ijrms20150801.