1. Vaginal birth after cesarean: New insights: Evidence report/technology assessment no. 191;Agency for Healthcare Research and Quality,2010
2. ACOG practice bulletin no. 54;American College of Obstetricians and Gynecologists;Obstetrics and Gynecology,2004
3. ACOG practice bulletin no. 115;American College of Obstetricians and Gynecologists;Obstetrics and Gynecology,2010