title: Letter: Preludes to acute attacks of bronchial asthma.
mesh_terms: D000208:Acute Disease; D000328:Adult; D001249:Asthma / Q000175:diagnosis*; D001991:Bronchitis / Q000175:diagnosis; D002908:Chronic Disease; D003937:Diagnosis, Differential; D006801:Humans; D011379:Prognosis