Patel, A. R., Arora, S. R., & Bhatt, J. K. (2020). Comparison of oral nifedipine and oral labetalol as a single drug therapy for control of blood pressure in preeclampsia. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 9(6), 2328–2332. https://doi.org/10.18203/2320-1770.ijrcog20202306