Trends in cesarean section rates in Nebraska, 1979 through 1982.
D000328:Adult; D002585:Cesarean Section / Q000639:trends*; D036861:Delivery, Obstetric; D005260:Female; D006801:Humans; D009329:Nebraska; D011247:Pregnancy; D012086:Reoperation / Q000639:trends; D014481:United States