TY - BOOK ED - DOH ED - Dept Health ED - DHSS ED - Shhd ED - Scottish Home & Health Dept ED - Welsh Office TI - Folic acid and the prevention of neural tube defects: report from an expert advisory group. DOH. 1992 PY - 1992/// PB - DHSS KW - Neural tube defects KW - Abnormalities KW - Vitamins KW - Prevention and control KW - Folic acid ER -