title: Medical systems as changing social systems.
mesh_terms: D003695:Delivery of Health Care; D004467:Economics; D006040:Goals; D006296:Health Services / Q000639:trends; D006297:Health Services Accessibility; D006298:Health Services Administration; D006801:Humans; D008511:Medicine; D011057:Politics; D012040:Regional Health Planning; D012922:Social Change; D012924:Social Conditions