America's top HMOs. Are HMOs the right prescription?
Brink
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Shute
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D003363:Cost Control; D004465:Economic Competition; D019538:Health Care Surveys; D006279:Health Maintenance Organizations / Q000145:classification / Q000191:economics / Q000592:standards*; D007345:Insurance Claim Review; D017146:Models, Organizational; D010817:Physician-Patient Relations; D014481:United States