title: Epidemiological approach to bronchial responsiveness.
authors.forename: J B
authors.initials: JB
authors.lastname: Clough
authors.forename: L
authors.initials: L
authors.lastname: Dow
mesh_terms: D000328:Adult; D001249:Asthma / Q000150:complications; D001985:Bronchial Provocation Tests; D002648:Child; D004812:Epidemiologic Methods; D006801:Humans; D006967:Hypersensitivity / Q000150:complications; D012130:Respiratory Hypersensitivity / Q000453:epidemiology / Q000209:etiology*; D012907:Smoking