, 08 2008 . 01:01
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(Mark J. Pletcher) - (UCSF) 15- .
Forbes, 1985 1535 18-30 , CARDIA.
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, 63% , 36% . 89% , 29%.
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, 5, 7, 10 15 . 2000 , , "" 1200 , .
, 69% "" 1985 2000-, 54% "" . 15%.
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(Norman H. Edelman), (American Lung Association), , - .
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