Ahuja, M. and Pujari, P. 2017. Ultra-low-dose oral contraceptive pill: a new approach to a conventional requirement. International Journal of Reproduction, Contraception, Obstetrics and Gynecology. 6, 2 (Jan. 2017), 364–370. DOI:https://doi.org/10.18203/2320-1770.ijrcog20170006.