title: Asthma: epidemics and epidemiology.
authors.affiliation: Chest Unit, Newcastle General Hospital, University of Newcastle upon Tyne.
authors.forename: D J
authors.initials: DJ
authors.lastname: Hendrick
mesh_terms: D000393:Air Pollutants / Q000009:adverse effects; D001249:Asthma / Q000453:epidemiology* / Q000209:etiology; D004777:Environment; D006801:Humans
chemical_list: D000393:Air Pollutants