Verma, M., S. Gupta, B. R. Bhagat, A. Mahajan, and B. Kaur. “Comparison of Intravenous Hydralazine and Intravenous Labetalol in the Management of Severe Hypertensive Disorders of Pregnancy: A Tertiary Care Centre Study”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 7, no. 6, May 2018, pp. 2251-6, doi:10.18203/2320-1770.ijrcog20182330.