Dilawer, S., Iqbal, J., Khan, T. A., Bakhtzada, R., Khan, T. I., & Naz, M. (2020). Comparison of Salbutamol and Nifedipine in treatment of preterm labour. Pakistan Journal of Physiology, 16(1), 10–13. https://doi.org/10.69656/pjp.v16i1.1214