Hospital services and community characteristics: the physician as mediator.
D000367:Age Factors; D003153:Community Health Services; D004522:Educational Status; D005006:Ethnicity; D006739:Hospital Administration; D006755:Hospital Shared Services; D006801:Humans; D008511:Medicine; D010819:Physician's Role; D010820:Physicians / Q000600:supply & distribution; D012380:Role; D012931:Social Environment; D013038:Specialization