Hangarga, U. S., D., R. and Harshitha, K. (2016) “Comparative study of labetalol and nifedipine in management of hypertensive disorders in pregnancy”, International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 6(1), pp. 194–197. doi: 10.18203/2320-1770.ijrcog20164656.