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Previous Volume 341:1864 December 9, 1999 Number 24

	Since this article has no abstract, we have provided an extract of the first 100 words of the full text and any section headings.

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Prevention of Neural-Tube Defects with Folic Acid in China . On page 1485, the sentence that begins on line 14 of the Results paragraph of the Abstract should have read, "The greatest reduction in risk occurred among the fetuses or infants of a subgroup of women in the northern region with periconceptional use who took folic acid pills more than 80 percent of the time (reduction in risk, 85 percent as compared with the fetuses or infants of women who registered before their last menstrual period and who took no folic acid; 95 percent confidence interval, 62 to 94 percent)." . . . [Full Text of this Article]

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• Oakley, G. P. Jr (2002). Folic acid fortification: time for a concentrated effort. CMAJ 167: 848-848 [Full Text]