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PII: S1067-991X(07)00274-X
doi:10.1016/j.amj.2007.10.004
© 2008 Air Medical Journal Associates. Published by Elsevier Inc. All rights reserved.
PII: S1067-991X(07)00274-X
doi:10.1016/j.amj.2007.10.004
© 2008 Air Medical Journal Associates. Published by Elsevier Inc. All rights reserved.