Birth Defects Research Part A Clinical and Molecular Teratology · 2007 · 112 citations · 50 references
This study has documented a high prevalence of NTDs in Shanxi. Similar variations to other reports were found in the risk of NTDs by maternal demographic characteristics and a clustering of NTDs in certain villages that require further exploration.
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Prevention of Neural-Tube Defects with Folic Acid in China
R. J. Berry, Jon D. Erickson, Cynthia A. Moore et al. · New England Journal of Medicine · 1999 · 1.3K citations · Full text
PERICONCEPTIONAL VITAMIN USE, DIETARY FOLATE, AND THE OCCURRENCE OF NEURAL TUBE DEFECTS
Gary M. Shaw, Donna Schaffer, Ellen M. Velie et al. · Epidemiology · 1995 · 398 citations