Pitfalls in the diagnosis of asthma.
D000328:Adult; D000368:Aged; D001249:Asthma / Q000175:diagnosis* / Q000503:physiopathology; D001991:Bronchitis / Q000175:diagnosis; D002648:Child; D002940:Circadian Rhythm; D003937:Diagnosis, Differential; D006801:Humans; D010366:Peak Expiratory Flow Rate