Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Tom K.A.B. Eskes,Possible Basis for Primary Prevention of Birth Defects with Folic Acid,Fetal Diagnosis and Therapy,1015-3837,S. Karger AG,1994-01-01,9,,149-154,https://cir.nii.ac.jp/crid/1870865117911688320,https://doi.org/10.1159/000263923