Rukhsana Saleem, Sara Akram, Farzana Sabir, Rohana Salam, Nasreen Akhtar, Nimra Bashir, Shazia Saeed 2023. Comparison of Efficacy and Safety of Magnesium Sulphate Versus oral Nifedipine in Acute Tocolysis of Preterm Labour. Pakistan Journal of Medical & Health Sciences. 17, 06 (Jun. 2023), 168. DOI:https://doi.org/10.53350/pjmhs2023176168.