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PII: S0143-4004(08)00369-X
doi:10.1016/j.placenta.2008.11.001
© 2008 Elsevier Ltd. All rights reserved.
PII: S0143-4004(08)00369-X
doi:10.1016/j.placenta.2008.11.001
© 2008 Elsevier Ltd. All rights reserved.