1. Cesarean section: changing incidence and indications;Gilstrap;Obstet Gynecol,1984
2. Modern indications for cesarean section;Mann;Am J Obstet Gynecol,1979
3. Changing indications for cesarean section. A 38-year experience at a community hospital;Haddad;Obstet Gynecol,1978
4. Changing trends in cesarean section;Hibbard;Am J Obstet Gynecol,1976
5. Cesarean section: trends and morbidity;Baskett;Can Med Assoc J,1981