Bushra Sultana, Qirat Fatima, Farzana. “Comparison of Efficacy of Oral Nifedipine Versus Vaginal Micronized Progesterone in Management of Preterm Labor”. Pakistan Journal of Medical & Health Sciences 16, no. 06 (August 22, 2022): 803. Accessed November 21, 2024. https://pjmhsonline.com/index.php/pjmhs/article/view/2037.