Khenwar, D., J. Agarwal, and S. Shriastava. “Screening of Gestational Diabetes Mellitus Using One-Step Versus Two-Step Method: A Comparative Study”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 9, no. 8, July 2020, pp. 3372-6, doi:10.18203/2320-1770.ijrcog20203325.