Comparing the Efficacy of Levonorgestrel Intrauterine Device and Oral Levonorgestrel for Emergency Contraception: A Systematic Review and Meta-Analysis. HMSR [Internet]. 2026 Aug. 1 [cited 2026 Aug. 3];11(1):72-85. Available from: https://journal.hmsreview.org/index.php/home/article/view/7