Kumar Gupta, R., Singh, P., Kumari, R., Langer, B., Sharma, P., & Gupta, R. (2017). Assessment of knowledge and attitude about emergency contraception: a cross sectional study among medical students in North India. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 6(9), 4042–4047. https://doi.org/10.18203/2320-1770.ijrcog20174059