Kant, A., and S. Mendiratta. “Classification of Cesarean Section through Robson Criteria: An Emerging Concept to Audit the Increasing Cesarean Section Rate”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 7, no. 11, Oct. 2018, pp. 4674-7, doi:10.18203/2320-1770.ijrcog20184528.