Jabbar, Hira, et al. “Efficacy of Nifedipine in Preterm Labor for Prolongation of Pregnancy for at Least 48 Hours ”. Indus Journal of Bioscience Research, vol. 3, no. 5, May 2025, pp. 75-79, https://doi.org/10.70749/ijbr.v3i5.1191.