Russell KF, Liang Y, O’Gorman K, Johnson DW, Klassen TP. Glucocorticoids for croup. Cochrane Database Syst Rev. 2011 Jan 19;(1):CD001955. doi: 10.1002/14651858.CD001955.pub3. Review. PubMed PMID: 21249651.

Rizos JD, DiGravio BE, Sehl MJ, Tallon JM. The disposition of children with croup treated with racemic epinephrine and dexamethasone in the emergency department. J Emerg Med. 1998 Jul-Aug;16(4):535-9. PubMed PMID: 9696166.