Second-trimester cervical ultrasound: associations with increased risk for recurrent early spontaneous delivery
- 17 January 2000
- journal article
- Published by Ovid Technologies (Wolters Kluwer Health) in Obstetrics & Gynecology
- Vol. 95 (2), 222-226
- https://doi.org/10.1016/s0029-7844(99)00483-4