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An error occurred in the ORIGINAL CONTRIBUTION entitled "Results and Benefits of a Maternal Serum α-Fetoprotein Screening Program," published in the Sept 21 issue of The Journal (1984;252:1438-1442). On page 1440, the first sentence of the second paragraph in the "Comment" section should have read as follows: "Our detection efficiency for open NTDs was 86% (12/14) for anencephaly and 63% (5/8) for open and closed spina bifida, compared with the rates of 88% and 79% [not '69%'], respectively, reported in the United Kingdom Collaborative Study.3"
Incorrect Percentage. JAMA. 1984;252(24):3368. doi:10.1001/jama.1984.03350240018029
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