(Q43238465)
Statements
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Possible association of folic acid supplementation during pregnancy with reduction of preterm birth: a population-based study (English)
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A E Czeizel
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E H Puhó
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Z Langmar
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N Acs
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F Bánhidy
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17 November 2009
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148
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2
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135-140
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Identifiers
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