Saman Ejaz, Maryam Raana, Muhammad Essa, Sadaf Zahra, Snovia Ishaq, Uswa Shoaib, Muhammad Irshad, and Zain Ul Abideen. “Comparing Prophylactic Vaginal Progesterone & Cervical Cerclage In Preventing Preterm Birth: A Systematic Review”. BioSight 5, no. 1 (January 15, 2024): 1–10. Accessed April 15, 2026. https://biosight.org/index.php/bios/article/view/171.