title: Is asthma increasing?
authors.affiliation: MRC Epidemiology Unit, South Wales, Cardiff.
authors.forename: M L
authors.initials: ML
authors.lastname: Burr
mesh_terms: D000293:Adolescent; D000328:Adult; D001249:Asthma / Q000175:diagnosis / Q000453:epidemiology* / Q000401:mortality / Q000628:therapy; D002648:Child; D004739:England; D005260:Female; D006801:Humans; D008297:Male; D014852:Wales