Metered-Dose Inhaler: How to Use It Correctly
Internet URL
http://familydoctor.org/040.xml 
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Sponsoring Agency
American Academy of Family Physicians
Description
A metered-dose inhaler is a device that helps deliver a specific amount of medication to your lungs. It is commonly used to treat asthma, chronic obstructive pulmonary disease (COPD) and other respiratory problems.