共 8 条
[1]
DOBBING J, 1983, PREVENTION SPINA BIF, P81
[2]
GIROUD A., 1952, INTERNATL ZEITSCHR VITAMINFORSCH, V24, P420
[3]
GIROUD A, 1951, Arch Fr Pediatr, V8, P648
[4]
MOFFA AM, 1983, TERATOLOGY, V27, pA64
[5]
NAISMITH DJ, 1983, PREVENTION SPINA BIF, P69
[6]
SMITHELLS RW, 1976, ARCH DIS CHILD, V51, P944, DOI 10.1136/adc.51.12.944
[7]
SMITHELLS RW, 1983, LANCET, V1, P1027
[8]
NEURAL-TUBE DEFECTS AND VITAMINS - THE NEED FOR A RANDOMIZED CLINICAL-TRIAL
[J].
BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY,
1984, 91 (06)
:516-523