Births by Caesarean section in the United States of America and in Britain.
D000328:Adult; D002585:Cesarean Section / Q000706:statistics & numerical data*; D005260:Female; D006300:Health Services Misuse; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D009026:Mortality; D011247:Pregnancy; D006113:United Kingdom; D014481:United States