Folic Acid Antagonists During Pregnancy and the Risk of Birth Defects
NEJM 343:1608-1614, Hernandez-Dias,S.,et al, 2000
Antiepileptic Drugs
NEJM 334:168-175, Brodie,M.J.&Dichter,M.A., 1996
Outcomes of Pregnancy Associated with Antiepileptic Drugs
Arch Neurol 51:250-253, Waters,C.H.,et al, 1994