Air pollution and medical care.
Hammitt
James K
JK
D000368:Aged; D000369:Aged, 80 and over; D000397:Air Pollution / Q000009:adverse effects / Q000191:economics*; D004781:Environmental Exposure / Q000009:adverse effects / Q000191:economics*; D005102:Health Expenditures / Q000706:statistics & numerical data*; D006299:Health Services for the Aged / Q000191:economics*; D006801:Humans; D014481:United States / Q000453:epidemiology; D014484:United States Environmental Protection Agency