Treatment of children with migraine in emergency departments: national practice variation study.
Richer LP, Laycock K, Millar K, Fitzpatrick E, Khangura S, Bhatt M, Guimont C, Neto G, Noseworthy S, Siemens R, et al. Pediatrics. 2010 Jul; 126(1):e150-5. Epub 2010 Jun 7.