Cervical length distribution and other sonographic ancillary findings of singleton nulliparous patients at midgestationMaged M. Costantine, C. Tocci, Alan Tita et al.|American Journal of Obstetrics and Gynecology|2021Cited by 12
What we have learned about best practices for recruitment and retention in multicenter pregnancy studiesAshley Salazar, Elizabeth Thom, Susan Tolivaisa et al.|Seminars in Perinatology|2016Cited by 5