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a Children's Hospital and Health Center/University of California–San Diego, 3020 Children's Way, San Diego, CA 92123 b Pediatric Emergency Medicine, Palomar-Pomerado Hospitals/California Emergency Physicians, 555 East Valley Parkway, Escondido, CA 92025, USA c Division of Pediatric Cardiology, Children's Hospital and Health Center, 3020 Children's Way, San Diego, CA 92123, USA  Corresponding author.
PII: S0733-8627(05)00084-2 doi:10.1016/j.emc.2005.08.014 © 2005 Elsevier Inc. All rights reserved. | |
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