Risk of Neural Tube Defect-Affected Pregnancies Among Obese Women
JAMA 275:1093-1096, 11271996., Shaw,G.M.,et al, 1996
Pregnant Weight in Relation to Risk of Neural Tube Defects
JAMA 275:1089-1092, 11271996., Werler,M.M.,et al, 1996
Matrnal Heat Exposure and Neural Tube Defects
JAMA 268:882-885, Milunsky,A.,et al, 1992