title: What exacerbates asthma?
authors.forename: A
authors.initials: A
authors.lastname: Abelsohn
authors.forename: D C
authors.initials: DC
authors.lastname: Rosen
mesh_terms: D000397:Air Pollution / Q000009:adverse effects* / Q000517:prevention & control; D001249:Asthma / Q000209:etiology*; D005194:Family Practice; D006801:Humans; D010353:Patient Education as Topic