Survey: lower cesarean rate reveal cost-quality tradeoffs.
D002585:Cesarean Section / Q000706:statistics & numerical data*; D002641:Chicago; D005260:Female; D006746:Hospital Bed Capacity, 500 and over; D006761:Hospitals / Q000592:standards*; D006801:Humans; D007182:Income; D011247:Pregnancy; D011787:Quality of Health Care / Q000191:economics*