title: Measurement of exhaled chlorofluorocarbons.
mesh_terms: D000328:Adult; D000388:Air / Q000032:analysis*; D005617:Chlorofluorocarbons, Methane / Q000032:analysis*; D004867:Equipment Design; D005410:Flame Ionization / Q000295:instrumentation; D006801:Humans; D008875:Middle Aged; D009330:Nebulizers and Vaporizers
chemical_list: D005617:Chlorofluorocarbons, Methane