A new beginning: making way for CFC-free inhalers.
D000280:Administration, Inhalation; D000397:Air Pollution / Q000517:prevention & control*; D018927:Anti-Asthmatic Agents / Q000008:administration & dosage*; D001249:Asthma / Q000188:drug therapy* / Q000451:nursing; D017402:Chlorofluorocarbons / Q000009:adverse effects*; D003152:Community Health Nursing; D004782:Environmental Health; D006801:Humans; D009330:Nebulizers and Vaporizers; D010126:Ozone / Q000009:adverse effects*