1. Cesarean section in present-day obstetrics: Presidential address;Jones;Am. J. Obstet. Gynecol,1976
2. Changing trends in cesarean section;Hibbard;Am. J. Obstet. Gynecol,1976
3. Changing indications for cesarean section—A 38-year experience at a community hospital;Haddad;Obstet. Gynecol,1978
4. Correlation of FHR-UC patterns with fetal scalp blood pH;Tejani;Obstet. Gynecol,1975