Gajera, A. N., M. J. Barvaliya, A. Shukla, and C. B. Tripathi. “Knowledge and Attitude towards Emergency Contraception Among Undergraduate Medical Students”. International Journal of Basic & Clinical Pharmacology, vol. 6, no. 4, Mar. 2017, pp. 955-61, doi:10.18203/2319-2003.ijbcp20171111.