- Environmental Triggers of Asthma
Discusses the role environmental factors play in the etiology, triggering, and exacerbation of asthma.
www.atsdr.cdc.gov/HEC/CSEM/asthma/index.html
- MayoClinic: Asthma
Find information about asthma, including causes, symptoms, prevention, medications, and other asthma treatments.
www.mayoclinic.com/health/asthma/DS00021
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