“Oral Nifedipine Versus Intravenous Labetalol in the Management of Severe Pregnancy Induced Hypertension: A Randomized Control Trial”. 2021. Chattagram Maa-O-Shishu Hospital Medical College Journal 20 (1): 55-61. https://doi.org/10.3329/cmoshmcj.v20i1.53589.