[On the problem of chronic obstructive bronchitis].
D000900:Anti-Bacterial Agents / Q000627:therapeutic use*; D001991:Bronchitis / Q000188:drug therapy* / Q000209:etiology*; D006801:Humans; D011656:Pulmonary Emphysema / Q000150:complications*
D000900:Anti-Bacterial Agents
Zum Problem der chronisch-obstruktiven Bronchitis.