Raghuwanshi, N., S. Sirsam, and A. Patel. “A Comparative Study on MgSO₄ and Nifedipine As Acute Tocolytic Agents in Preterm Labour”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 14, no. 10, Sept. 2025, pp. 3263-7, doi:10.18203/2320-1770.ijrcog20252927.