[Chronic bronchitis and bronchial asthma].
D000293:Adolescent; D000328:Adult; D000397:Air Pollution; D001249:Asthma / Q000175:diagnosis* / Q000209:etiology / Q000276:immunology; D001991:Bronchitis / Q000175:diagnosis* / Q000209:etiology / Q000276:immunology; D002648:Child; D002908:Chronic Disease; D003937:Diagnosis, Differential; D006801:Humans; D008875:Middle Aged