Mohammad R, Zargar M, Barati M, Ershadian S. The comparison of predictive value of cervical length in singleton spontaneous preterm labor with in vitro fertilization pregnancies: A cohort study. IJRM [Internet]. 2021Jan.25 [cited 2024Jul.1];19(1):57–62. Available from: https://knepublishing.com/index.php/ijrm/article/view/8180