The Montreal Protocol and metered dose inhalers.
Navarro
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RP
D000280:Administration, Inhalation; D000336:Aerosols / Q000592:standards*; D000397:Air Pollution; D017402:Chlorofluorocarbons / Q000009:adverse effects; D004867:Equipment Design; D006801:Humans; D009330:Nebulizers and Vaporizers / Q000592:standards*; D010593:Pharmaceutical Services / Q000592:standards; D014481:United States; D014486:United States Food and Drug Administration