Ahuja, Meenakshi, and Pramod Pujari. 2017. “Ultra-Low-Dose Oral Contraceptive Pill: A New Approach to a Conventional Requirement”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 6 (2):364-70. https://doi.org/10.18203/2320-1770.ijrcog20170006.