(Q45259519)
Statements
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Folate supplementation and twin pregnancies (English)
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Håkon K Gjessing
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Stein Emil Vollset
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Lorentz M Irgens
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Anne Tandberg
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Thorbjørn Rønning
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Valborg Baste
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Roy M Nilsen
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Anne Kjersti Daltveit
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1 March 2005
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Identifiers
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