title: Perspectives. Medicare HMO advocates fend off critics left and right.
authors.forename: R
authors.initials: R
authors.lastname: Cunningham
mesh_terms: D000368:Aged; D017047:Cost Sharing; D005382:Financing, Personal; D006279:Health Maintenance Organizations / Q000191:economics* / Q000331:legislation & jurisprudence; D006801:Humans; D006278:Medicare / Q000331:legislation & jurisprudence / Q000458:organization & administration*; D014481:United States