Physicians in large corporations take on more influential roles.
Cross
MargaretAnn
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D003132:Commerce / Q000458:organization & administration*; D006264:Health Benefit Plans, Employee / Q000458:organization & administration; D006801:Humans; D008329:Managed Care Programs / Q000458:organization & administration; D009787:Occupational Medicine / Q000458:organization & administration*; D008486:Physician Executives; D010819:Physician's Role; D014481:United States