How cystic fibrosis can be confused with chronic bronchitis and bronchial asthma.
D000328:Adult; D001249:Asthma / Q000175:diagnosis*; D001991:Bronchitis / Q000175:diagnosis*; D002675:Child, Preschool; D002908:Chronic Disease; D003550:Cystic Fibrosis / Q000175:diagnosis*; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans