CMAJ • August 17, 2004; 171 (4). doi:10.1503/cmaj.1040254.
© 2004 Canadian Medical Association or its licensors
All editorial matter in CMAJ represents the opinions of the authors and not necessarily those of the Canadian Medical Association.
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Maternal ethnicity and risk of neural tube defects: a population-based study

Joel G. Ray, Marian J. Vermeulen, Chris Meier, David E.C. Cole and Philip R. Wyatt

From the Department of Medicine, St. Michael's Hospital (Ray), the Institute for Clinical Evaluative Sciences, Sunnybrook and Women's College Health Sciences Centre (Vermeulen), the Departments of Laboratory Medicine and Pathobiology, Medicine and Paediatrics (Genetics), University of Toronto (Cole), the Ontario Maternal Serum Screening Database Department, Genetics Programme (Meier) and the Department of Genetics (Wyatt), North York General Hospital, Toronto, Ont.


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