Pandey, L. K., Pandey, S., Karkare, S., Sinha, R. and Gulati, A. K. (2017) “Sperm penetration assay and its correlation with semen analysis parameters”, International Journal of Research in Medical Sciences, 3(11), pp. 3197–3201. doi: 10.18203/2320-6012.ijrms20151162.