title: Comparison of Medicare risk HMO and FFS enrollees.
authors.affiliation: Centers for Medicare & Medicaid Services, 7500 Security Boulevard, C3-16-27, Baltimore, Maryland 21244-1850, USA. mmurgolo@cms.hhs.gov
authors.forename: Maggie S
authors.initials: MS
authors.lastname: Murgolo
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D003258:Consumer Behavior / Q000706:statistics & numerical data*; D018588:Fee-for-Service Plans / Q000706:statistics & numerical data*; D019538:Health Care Surveys; D006279:Health Maintenance Organizations / Q000706:statistics & numerical data*; D006801:Humans; D006278:Medicare / Q000458:organization & administration / Q000706:statistics & numerical data*; D008875:Middle Aged; D014481:United States; D014505:Urban Population