1. Births: final data for 1998;Ventura;Natl Vital Stat Rep,2000
2. Advance data, births 1998,2000
3. Predictors of cesarean delivery;Lieberman;Curr Probl Obstet Gynecol,1997
4. Socioeconomic differences in rates of cesarean section;Gould;N Engl J Med,1989
5. Surgical alternatives to hysterectomy in the management of leiomyomas;American College of Obstetricians and Gynecologists Practice,2000