Khan, A., Barkat, N., Afzal, S., & Shehla. (2015). Responsibility, Prevalence and major factors of infertility: A cross-sectional study in Karachi. International Journal of Endorsing Health Science Research, 3(2), 01–07. https://doi.org/10.29052/IJEHSR.v3.i2.2015.01-07