(Q47386112)
Statements
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Reduced circulating placental protein concentrations during the first trimester are associated with preterm labour and low birth weight (English)
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Johnson MR
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Riddle AF
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Grudzinskas JG
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Sharma V
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Collins WP
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Nicolaides KH
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1 November 1993
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8
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11
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1942-1947
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