Variations in rates of cesarean section.
D002585:Cesarean Section / Q000706:statistics & numerical data*; D005260:Female; D005313:Fetal Death / Q000517:prevention & control; D006764:Hospitals, Community; D006784:Hospitals, Teaching; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000517:prevention & control; D008428:Maternal Mortality; D009864:Ontario; D011247:Pregnancy