Ataei M, Badehnoosh B, Hashemnegad M, Mirmajid R, Razavi Shirazi J, Dolatshad F, et al. Preventing preterm birth in high-risk pregnant women: cerclage or Pessary? A retrospective cohort study. AVFT [Internet]. 24 de mayo de 2021 [citado 3 de mayo de 2026];40(2). Disponible en: https://saber.ucv.ve/ojs/index.php/rev_aavft/article/view/22358