Purchasers versus providers--defining roles in a regionalized health system.
Ellis
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Sunnybrook Health Science Centre, Toronto.
D002170:Canada; D003659:Decision Making, Organizational; D003695:Delivery of Health Care / Q000458:organization & administration*; D006739:Hospital Administration / Q000592:standards*; D015279:Organizational Culture; D012040:Regional Health Planning / Q000458:organization & administration*; D012380:Role; D012941:Social Responsibility