title: Preparing for a change in metered-dose inhalers. National Asthma Education and Prevention Program CFC Phaseout Working Group.
mesh_terms: D000335:Aerosol Propellants; D001249:Asthma / Q000188:drug therapy*; D001993:Bronchodilator Agents / Q000008:administration & dosage*; D017402:Chlorofluorocarbons; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000188:drug therapy*; D009330:Nebulizers and Vaporizers; D010353:Patient Education as Topic; D017410:Practice Guidelines as Topic
chemical_list: D000335:Aerosol Propellants; D001993:Bronchodilator Agents; D017402:Chlorofluorocarbons