Letter: Treatment of croup.
D000553:Ambulatory Care; D002648:Child; D003440:Croup / Q000628:therapy*; D004837:Epinephrine / Q000627:therapeutic use; D006801:Humans; D007384:Intermittent Positive-Pressure Breathing; D007827:Laryngitis / Q000628:therapy*
D004837:Epinephrine