How to use HFA inhalers in asthma, COPD| Cách dùng bình xịt HFA cho bệnh hen, COPD

How to use HFA inhalers (Albuterol HFA, Proair HFA, Ventolin HFA, QVar HFA etc) in asthma, COPD patients |Cách dùng bình xịt HFA (Albuterol, etc) cho bệnh hen, COPD
Credit: An Ho, MD, Shawn Kim, DO, Ahmad Sharayah MD

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