Periconceptional multivitamin intake dur
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Edward J. Lammer; Gary M. Shaw; David M. Iovannisci; Richard H. Finnell
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Article
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2004
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John Wiley and Sons
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English
β 108 KB
## Abstract ## BACKGROUND Periconceptional supplementation of multivitamins that include folic acid have been shown to prevent several birth defects, including neural tube defects and orofacial clefts. We investigated whether polymorphic variants of fetal acetylβ__N__βtransferase 1 (__NAT1__), an