Nautiyal, R. and Goyal, P. 2016. Contraception at extremes of ages, adolescents and special situations. International Journal of Reproduction, Contraception, Obstetrics and Gynecology. 5, 11 (Dec. 2016), 3651–3653. DOI:https://doi.org/10.18203/2320-1770.ijrcog20163827.