Oh Gia, Anderson Steve, Tancredi Daniel, Kuppermann Nathan, Glaser Nicole
Department of Pediatrics, University of California-Davis School of Medicine, 2516 Stockton Blvd, Sacramento, CA 95817, USA.
Arch Pediatr Adolesc Med. 2009 Aug;163(8):771-2. doi: 10.1001/archpediatrics.2009.106.