ORIGINAL ARTICLESPrevention of neural tube defects: Results of the Medical Research Council Vitamin Study
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This report was prepared by Nicholas Wald, with assistance from Joan Sneddon, James Densem, Christopher Frost, and Rossana Stone. For membership of steering committee, data monitoring committee, trial office staff, and representation of participating centres, see end of paper. Correspondence to Prof Nicholas Wald, Department of Environmental and Preventive Medicine, Medical College of St Bartholomew's Hospital, Charterhouse Square, London EC1 M 6BQ, UK
Copyright © 1991 Published by Elsevier Ltd.