TY - JOUR AU - Pereira, S; Frick, A P; Poon, L C TI - Successful induction of labor: prediction by preinduction cervical length, angle of progression and cervical elastography JO - Ultrasound in Obstetrics & Gynecology VL - 44 PY - 2014 DO - 10.1002/uog.13411 L3 - PubMed-ID: 24832011 SP - 468 EP - 475 N1 - et al. ER -