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PDFPage 1451
. 1993 May 1;148(9):1451.
Primary prevention of neural tube defects: notice from the HPB.
C McCourt
1
C McCourt
1Laboratory Centre for Disease Control, Department of National Health and Welfare, Ottawa, Ont.
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1Laboratory Centre for Disease Control, Department of National Health and Welfare, Ottawa, Ont.
PMCID: PMC1491836 PMID: 8477363
See letter "Primary prevention of neural tube defects: notice from the HPB." in volume 149 on page 1231.