[Chronic bronchitis, atmospheric contamination and tobacco].
D000397:Air Pollution; D001945:Breathing Exercises; D001991:Bronchitis / Q000188:drug therapy; D002701:Chloramphenicol / Q000627:therapeutic use; D002908:Chronic Disease; D006801:Humans; D008517:Phytotherapy; D010947:Plants, Toxic; D013752:Tetracycline / Q000627:therapeutic use; D014026:Nicotiana
D002701:Chloramphenicol; D013752:Tetracycline
Bronquitis crónica, contaminación atmosferica y tabaco.