Chaudhary, S., S. R. Singhal, M. B. Chauhan, A. Gupta, and M. Dalal. “Study of Medical Disorders in Pregnancy Among in Patients at a Tertiary Care Hospital in Haryana, India”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 8, no. 9, Aug. 2019, pp. 3770-3, doi:10.18203/2320-1770.ijrcog20193813.