How many more treatment trials in otitis media?
D000900:Anti-Bacterial Agents / Q000008:administration & dosage / Q000627:therapeutic use*; D002648:Child; D004338:Drug Combinations; D005069:Evaluation Studies as Topic; D006801:Humans; D010033:Otitis Media / Q000188:drug therapy*
D000900:Anti-Bacterial Agents; D004338:Drug Combinations