Khan, H.L. , Khan, Y.L. , Mahmood, N. , Mustanser, M. , Sardar, S. and Khawaja, A.R. 2021. Causes of Male and Female Sub Fertility in the Couples who Underwent ‘In Vitro Fertilization’ at Life Clinic; a Statistical Study from Lahore, Pakistan. Journal of Bahria University Medical and Dental College. 6, 1 (Mar. 2021), 47–50.