Sharma, Monika, Sita Thakur, Kamal Singh, and Shashank Shekhar. 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):2847-51. https://doi.org/10.18203/2320-1770.ijrcog20202720.