The cost of preventive health services in primary medical care and implications for health insurance coverage.
D000367:Age Factors; D000368:Aged; D003365:Costs and Cost Analysis; D006302:Health Services Research; D006801:Humans; D007348:Insurance, Health; D008962:Models, Theoretical; D010342:Patient Acceptance of Health Care; D010808:Physical Examination / Q000191:economics / Q000706:statistics & numerical data; D011314:Preventive Health Services / Q000191:economics*; D014481:United States