(en) Gates A, Gates M, Vandermeer B, Johnson C, Hartling L, Johnson DW, Klassen TP (Augustus 2018). Glucocorticoids for croup in children. Cochrane Database of Systematic Reviews (8): CD001955. PMID30133690. DOI: 10.1002/14651858.CD001955.pub4.
(en) Port C (April 2009). Towards evidence based emergency medicine: best BETs from the Manchester Royal Infirmary. BET 4. Dose of dexamethasone in croup. Emerg Med J26 (4): 291–2. PMID19307398. DOI: 10.1136/emj.2009.072090.
(en) Gates A, Gates M, Vandermeer B, Johnson C, Hartling L, Johnson DW, Klassen TP (Augustus 2018). Glucocorticoids for croup in children. Cochrane Database of Systematic Reviews (8): CD001955. PMID30133690. DOI: 10.1002/14651858.CD001955.pub4.
(en) Port C (April 2009). Towards evidence based emergency medicine: best BETs from the Manchester Royal Infirmary. BET 4. Dose of dexamethasone in croup. Emerg Med J26 (4): 291–2. PMID19307398. DOI: 10.1136/emj.2009.072090.