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PII: S0944-7113(06)00052-3
doi:10.1016/j.phymed.2006.03.025
© 2006 Elsevier GmbH. All rights reserved.
PII: S0944-7113(06)00052-3
doi:10.1016/j.phymed.2006.03.025
© 2006 Elsevier GmbH. All rights reserved.