Switching to CFC-free inhalers.
Weller
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D000280:Administration, Inhalation; D000335:Aerosol Propellants / Q000009:adverse effects*; D018927:Anti-Asthmatic Agents / Q000008:administration & dosage*; D001249:Asthma / Q000188:drug therapy*; D017402:Chlorofluorocarbons / Q000009:adverse effects*; D004782:Environmental Health; D006801:Humans; D009330:Nebulizers and Vaporizers
D000335:Aerosol Propellants; D018927:Anti-Asthmatic Agents; D017402:Chlorofluorocarbons