1. Gjessing LK. Results from Department of Obstetrics, Stavanger University Hospital, 1997-2007; http://www.kvinneklinikken-sus.com/01_results/obstetr/publ_B1_STANDARD.htm [Accessed 1 September 2007].
2. Government Statistical Service. NHS Maternity Statistics, England: 2003-04. Bulletin 2005/10: March 2005; http://www.dh.gov.uk/assetRoot/04/10/70/61/04107061.pdf [Accessed 1 September 2007].
3. Elective induction of labor as a risk factor for cesarean delivery among low-risk women at term;Maslow;Obstet Gynecol,2000
4. Risk of cesarean delivery with elective induction of labor at term in nulliparous women;Seyb;Obstet Gynecol,1999
5. Impact of labor induction, gestational age, and maternal age on cesarean delivery rates;Heffner;Obstet Gynecol,2003