title: Peak flow errors.
authors.forename: A E
authors.initials: AE
authors.lastname: Gale
mesh_terms: D001249:Asthma / Q000503:physiopathology*; D002648:Child; D004867:Equipment Design; D006801:Humans; D008176:Lung Volume Measurements / Q000295:instrumentation; D008297:Male; D010366:Peak Expiratory Flow Rate / Q000502:physiology*