[On the epidemiology of the chronic bronchitic syndrome].
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D001991:Bronchitis / Q000000981:diagnostic imaging / Q000453:epidemiology*; D002908:Chronic Disease; D003371:Cough; D005260:Female; D005859:Germany, East; D006801:Humans; D008297:Male; D008400:Mass Chest X-Ray; D008875:Middle Aged; D012141:Respiratory Tract Infections / Q000453:epidemiology
Zur Epidemiologie des chronischen bronchitischen Syndroms.