Letter: Comments on croup.
D002675:Child, Preschool; D004837:Epinephrine / Q000627:therapeutic use; D006801:Humans; D007223:Infant; D007612:Kanamycin / Q000627:therapeutic use; D007827:Laryngitis / Q000188:drug therapy* / Q000382:microbiology
D007612:Kanamycin; D004837:Epinephrine