Inequities in medical care: consequences for health.
D002986:Clinical Trials as Topic; D003695:Delivery of Health Care / Q000639:trends*; D006297:Health Services Accessibility / Q000639:trends*; D006301:Health Services Needs and Demand / Q000639:trends*; D006302:Health Services Research / Q000639:trends*; D006801:Humans; D009664:Norway; D011314:Preventive Health Services / Q000639:trends; D012923:Social Class