Vitamin supplementation and neural tube defects.
Smithells RW, Sheppard S, Schorah CJ, Seller MJ, Nevin NC, Harris R, Read AP, Fielding DW, Walker S.
Smithells RW, et al. Among authors: harris r.
Lancet. 1981 Dec 19-26;2(8260-61):1425. doi: 10.1016/s0140-6736(81)92841-5.
Lancet. 1981.
PMID: 6118795
Clinical Trial.
No abstract available.