1. Contemporary cesarean delivery practice in the United States;Zhang;Am J Obstet Gynecol,2010
2. Mandatory trial of labor after cesarean delivery: an alternative viewpoint;Scott;Obstet Gynecol,1991
3. Once a cesarean?;Pitkin;Obstet Gynecol,1991
4. The risks of lowering the cesarean-delivery rate;Sachs;N Engl J Med,1990
5. Vaginal birth after previous cesarean delivery: clinical management guidelines for obstetricians-gynecologists,1999