[Chronic bronchitis and its problem].
D000402:Airway Obstruction / Q000175:diagnosis; D001991:Bronchitis / Q000175:diagnosis*; D002908:Chronic Disease; D003937:Diagnosis, Differential; D006801:Humans; D011656:Pulmonary Emphysema / Q000175:diagnosis
Hronicni bronhitis i njegov problem