1. Births: Final data for 2006;Martin;Natl Vit Stat Rep,2009
2. The 2008 National Institute of Child Health and Human Development Workshop Report on electronic fetal monitoring;Macones;Obstet Gynecol,2008
3. Pelvic scoring for elective induction;Bishop;Obstet Gynecol,1964
4. Nonpharmacologic approaches to cervical priming and labor induction;Adair;Clin Obstet Gynecol,2000