Past history of adult bronchitis.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001249:Asthma / Q000150:complications; D001987:Bronchiectasis / Q000150:complications; D001991:Bronchitis / Q000209:etiology*; D002648:Child; D002675:Child, Preschool; D003371:Cough / Q000209:etiology*; D003550:Cystic Fibrosis / Q000150:complications; D005500:Follow-Up Studies; D006801:Humans; D013997:Time Factors