The Geography of Neurology
BMJ 2:506, Spillane,J.D., 1972
Reduction in Neural-Tube Defects After Folic Acid Fortification in Canada
NEJM 357:135-142, De Wals,P.,et al, 2007
Outlook for the Child with a Cephalocele
Pediatrics 90:914-919, Brown,M.S.,et al, 1992