Antibiotic chemoprophylaxis in chronic obstructive lung disease.
D000900:Anti-Bacterial Agents / Q000627:therapeutic use*; D002908:Chronic Disease; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000188:drug therapy*; D012141:Respiratory Tract Infections / Q000517:prevention & control*
D000900:Anti-Bacterial Agents