Three systems: a comparative survey.
D001294:Attitude to Health / Q000706:statistics & numerical data*; D002170:Canada; D003258:Consumer Behavior / Q000706:statistics & numerical data; D003625:Data Collection; D003695:Delivery of Health Care / Q000592:standards*; D006760:Hospitalization; D006801:Humans; D011639:Public Opinion; D012959:Socioeconomic Factors; D006113:United Kingdom; D014481:United States