A study of chronic otitis media.
D000900:Anti-Bacterial Agents / Q000627:therapeutic use*; D001419:Bacteria / Q000302:isolation & purification; D002908:Chronic Disease; D004338:Drug Combinations; D006801:Humans; D010033:Otitis Media / Q000188:drug therapy* / Q000382:microbiology
D000900:Anti-Bacterial Agents; D004338:Drug Combinations