Sharma, M., Thakur, S., Singh, K. and Shekhar, S. (2020) “Comparative maternal outcomes of oral nifedipine and intravenous labetalol for severe hypertension during pregnancy: an open label randomized controlled trial”, International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 9(7), pp. 2847–2851. doi: 10.18203/2320-1770.ijrcog20202720.