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D000335:Aerosol Propellants / Q000009:adverse effects; D017402:Chlorofluorocarbons / Q000009:adverse effects; D004777:Environment; D006801:Humans; D009330:Nebulizers and Vaporizers / Q000639:trends*; D010126:Ozone
D000335:Aerosol Propellants; D017402:Chlorofluorocarbons; D010126:Ozone