title: Commentary: identifying the correct risks in diagnosis.
authors.affiliation: London School of Hygiene and Tropical Medicine, London.
authors.forename: S J
authors.initials: SJ
authors.lastname: Evans
mesh_terms: D001249:Asthma / Q000175:diagnosis* / Q000453:epidemiology; D002648:Child; D002675:Child, Preschool; D003718:Denmark / Q000453:epidemiology; D006801:Humans; D015995:Prevalence; D012307:Risk Factors