title: At-risk asthma registers in primary care.
authors.forename: Brian D W
authors.initials: BD
authors.lastname: Harrison
mesh_terms: D001249:Asthma / Q000628:therapy*; D006801:Humans; D011320:Primary Health Care / Q000379:methods*; D012042:Registries; D012307:Risk Factors; D006113:United Kingdom