Peter, A. S., and O. Humphrey B. “Correlation Study of Stress Biomarkers, Endocrinopathies, Semen Quality and Quantity in Infertile Men in Abuja, Nigeria”. International Journal of Research in Medical Sciences, vol. 11, no. 7, June 2023, pp. 2415-22, doi:10.18203/2320-6012.ijrms20232080.