www.myhomefill.com 

Invacare Home Fill System Information the portable oxygen system
 
www.lungusa.org 

American Lung Association
 
www.pulmonarypaper.org

The Pulmonary Paper

www.homeoxygen.org

National Home Oxygen Patients Association

www.myresmed.com

For cpap users
 
www.sleepapnea.org

American Sleep Apnea Association
 
www.thoracic.org

American Thoracic Society
 
www.vigor8.com 

Fisher and Paykel cpap support
 
www.nemed.org

New England Medical Equipment Dealers Association  
 
www.chapinc.org

Community Health Accreditation Program
 
www.respironics.com / www.sleepapnea.com   
 
www.americanheart.org

American Heart Association
 
www.goldcopd.com

The Global Initiative for Chronic Obstructive Lung Disease
 
www.webmd.com  
 
http://www.homeoxygen.org/airlineoxygenpolicy.html

FAA approved portable concentrators

www.alsa.org  

The ALS Association