(Q52208858)
Statements
Elevated midtrimester serum methylmalonic acid levels as a risk factor for neural tube defects. (English)
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Khoury MJ
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Adams MJ Jr
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Scanlon KS
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Stevenson RE
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Knight GJ
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Haddow JE
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Sylvester GC
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Cheek JE
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Henry JP
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Stabler SP
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1 May 1995
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51
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5
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311-317
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