American Journal of Epidemiology Advance Access published online on October 25, 2008
American Journal of Epidemiology, doi:10.1093/aje/kwn320
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American Journal of Epidemiology © The Author 2008. Published by the Johns Hopkins Bloomberg School of Public Health. All rights reserved. For permissions, please e-mail: journals.permissions@oxfordjournals.org.
Mosley and Hobbs Respond to "Folic Acid Fortification and Neural Tube Defects"
Correspondence to Dr. Charlotte A. Hobbs, Department of Pediatrics, University of Arkansas for Medical Sciences, Arkansas Children's Hospital Research Institute, 1120 Marshall Street, Slot 512-40, Little Rock, AR 72202 (e-mail: hobbscharlotte@uams.edu).
Received for publication September 2, 2008. Accepted for publication September 15, 2008.
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We appreciate the invited commentary from Drs. Mills and Carter (1) regarding our report of the association between neural tube defects and folate following mandatory fortification in the US population (2). We welcome the authors comments on potential recall or ascertainment biases