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Skildring
During an asthma episode, inflamed airways react to environmental triggers such as smoke, dust, or pollen. The airways narrow and produce excess mucus, making it difficult to breathe.
Image from a FDA newsletter: http://www.fda.gov/fdac/features/2003/203_asthma.html Uploaded from w:Image:Asthma before-after.png
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This work is in the public domain in the United States because it is a work of the United States Federal Government under the terms of Title 17, Chapter 1, Section 105 of the US Code. See Copyright. Note: This only applies to works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamps published by the United States Postal Service after 1978. (See 206.02(b) of Compendium II: Copyright Office Practices).
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File history
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Date/Time |
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User |
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current |
07:05, 18 November 2005 |
750×300 (44 KB) |
Olve Utne |
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