Dogra, A., and U. N. Wankhede. “Knowledge and Attitude of Medical Undergraduate, Interns and Postgraduate Students towards Emergency Contraception”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 6, no. 7, June 2017, pp. 2944-7, doi:10.18203/2320-1770.ijrcog20172912.