1. Conservatism in obstetrics;Cragin;NY Med J,1916
2. Trends in the United States cesarean section rate and reasons for the 1980–1985 rise;Taffel;Am J Public Health,1987
3. Consensus development conference on cesarean childbirth;National Institutes of Health,1981
4. Committee statement guidelines for vaginal delivery after cesarean childbirth;American College of Obstetrician Gynecologists,1982
5. Trends in cesarean rates for first births and repeat cesarean rates for low-risk women: United States, 1990–2003;Menacker;Natl Vital Stat Rep,2005