Comparative systems of health care.
D002681:China; D003419:Crisis Intervention; D003431:Cross-Cultural Comparison; D003466:Cultural Characteristics; D003695:Delivery of Health Care / Q000458:organization & administration; D005060:Europe; D006298:Health Services Administration; D006801:Humans; D012106:Research; D012924:Social Conditions; D014481:United States