Sensitivity of Ultrasound in Detecting Spina Bifida
Letter, NEJM 324:769-7721991., , 1991
Intrauterine Exposure to Carbamazepine and Specific Congenital Malformations: Systematic Review and Case-Control Study
BMJ 341:c6581, 1229, Jentik,J.,et al, 2010
Reduction in Neural-Tube Defects After Folic Acid Fortification in Canada
NEJM 357:135-142, De Wals,P.,et al, 2007