Jawed, H. .; Ullah, A. .; Idrees, M. .; Devi, J. .; Khan, T. .; Shaikh, I. . Effects of Social Barriers on the Contraceptive Use Among Males and Females in PNS-SHIFA Hospital Karachi. J. Bahria Univ. Med. Dent. Coll. 2016, 6, 247-250.