title: Bronchial asthma and the environment.
mesh_terms: D000293:Adolescent; D000328:Adult; D001249:Asthma / Q000209:etiology*; D002648:Child; D002675:Child, Preschool; D004785:Environmental Pollutants / Q000009:adverse effects*; D006801:Humans; D006113:United Kingdom
chemical_list: D004785:Environmental Pollutants