1. Trends in cesarean section rates for the United States, 1970–1978;Placek;Public Health Rep,1980
2. Statement on cesarean childbirth;Rosen;Obstet. Gynecol,1981
3. Vaginal delivery in patients with a prior cesarean section;Lavin;Obstet. Gynecol,1982
4. Once a cesarean always a cesarean;Horowitz;Obstet. Gynecol. Surv,1981
5. Can your repeat-section patient delivery vaginally?;Gibbs;Contemp. Ob/Gyn,1983