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PII: S0196-0644(07)00355-1
doi:10.1016/j.annemergmed.2007.03.002
© 2007 American College of Emergency Physicians. Published by Elsevier Inc. All rights reserved.
PII: S0196-0644(07)00355-1
doi:10.1016/j.annemergmed.2007.03.002
© 2007 American College of Emergency Physicians. Published by Elsevier Inc. All rights reserved.