title: The many faces of membership.
authors.forename: K
authors.initials: K
authors.lastname: Farrell
mesh_terms: D008329:Managed Care Programs / Q000458:organization & administration; D008824:Michigan; D010815:Physician Impairment; D011787:Quality of Health Care / Q000458:organization & administration; D012051:Reimbursement Mechanisms; D012955:Societies, Medical / Q000458:organization & administration*