Tape recorder for evaluation of coughs in children.
D000996:Antitussive Agents / Q000627:therapeutic use; D002648:Child; D002675:Child, Preschool; D003371:Cough / Q000188:drug therapy*; D006801:Humans; D007223:Infant; D010919:Placebos / Q000627:therapeutic use; D013637:Tape Recording
D000996:Antitussive Agents; D010919:Placebos