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What impact has mandatory folic acid fortification had on the incidence of neural tube defect in the US and Canada? (DGAC 2010)Conclusion
Strong and consistent evidence demonstrates a large reduction in the incidence of neural tube defects (NTDs) in the US and Canada following mandatory folic acid fortification. Grade: Strong Overall strength of the available supporting evidence: Strong; Moderate; Limited; Expert Opinion Only; Grade not assignable
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Evidence Summaries
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 What impact has mandatory folic acid fortification had on the incidence of neural tube defects in the US and Canada?Search Plan and Results
What were the search parameters and selection criteria used to identify literature to answer this question? For more information, click on the Search Plan and Results link below.
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