For more invaluable information on respiratory and lung care and treatment, visit these professional, highly acclaimed resources:

American Thoracic Society (ATS)
American Association for Respiratory Care (AARC)
American College of Chest Physicians (ACCP)
American Lung Association (ALA)
Canadian Lung Association (CLA)
European Respiratory Society (ERS)
General Practice Airways Group
National Lung Health Education Program
The GOLD Initiative
American Academy of Allergy, Asthma and Immunology
National Asthma Education Program
Medscape
American Association for Asthma Educators
SDI Diagnostics