DOI:
10.1055/s-00000020
Geburtshilfe und Frauenheilkunde
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References
Czeizel AE, Dudas I, Paput L. et al.
Prevention of neural-tube defects with periconceptional folic acid, methylfolate, or multivitamins?.
Ann Nutr Metab 2011;
58: 263-271
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