title: Value of preventive services questionable for HMO patients over 75, study suggests.
mesh_terms: D000368:Aged; D014487:Centers for Medicare and Medicaid Services, U.S.; D003363:Cost Control; D003362:Cost-Benefit Analysis; D006279:Health Maintenance Organizations / Q000458:organization & administration*; D006302:Health Services Research; D006801:Humans; D019458:Insurance Coverage / Q000458:organization & administration*; D009026:Mortality; D011314:Preventive Health Services / Q000458:organization & administration*; D015397:Program Evaluation; D014481:United States; D014861:Washington