Antibiotics for exacerbations of chronic bronchitis?
D000900:Anti-Bacterial Agents / Q000627:therapeutic use*; D001991:Bronchitis / Q000188:drug therapy*; D002908:Chronic Disease; D006192:Haemophilus Infections / Q000188:drug therapy; D006801:Humans; D013290:Streptococcal Infections / Q000188:drug therapy
D000900:Anti-Bacterial Agents