共 25 条
[15]
No change in sexual activity during preconceptional multivitamin supplementation
[J].
BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY,
1996, 103 (06)
:569-573
[16]
PRIMARY PREVENTION OF BIRTH-DEFECTS BY PERICONCEPTIONAL CARE, INCLUDING MULTIVITAMIN SUPPLEMENTATION
[J].
BAILLIERES CLINICAL OBSTETRICS AND GYNAECOLOGY,
1995, 9 (03)
:417-430
[17]
CZEIZEL AE, 1993, BRIT MED J, V306, P449
[18]
DUDAS I, 1995, ARCH GYNECOL OBSTET, V256, P115, DOI 10.1007/BF01314639
[19]
Gonczi L, 1996, Tob Control, V5, P160, DOI 10.1136/tc.5.2.160a
[20]
Gray RH, 1984, CONTRACEPTION, V30, P4