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...and abortion. J. Obstet. Gynaec. Brit. Cwlth., 71, 529. 8. MRC Vitamin Study Research Group (1991). Prevention of neural tube defects : Results of the Medical Research Council Vitamin Study. Lancet, 2, 131 - 137. 9. Smithells, RW, Sheppard, S., Schorah, CJ, Seller, MJ., Nevin, NC, Harris, R., Read,... | |
 | Lynn B. Bailey - 1994 - 502 páginas
...supplementation in early pregnancy reduces the prevalence of neural tube defects. JAMA 1989; 262:2847-2852. 8. MRC Vitamin Study Research Group. Prevention of...the Medical Research Council vitamin study. Lancet 1991; 338:131-135. 9. Czeizel AE, Dudas I. Prevention of the first occurrence of neural tube defects... | |
 | Staffan E. Norell - 1995 - 336 páginas
...designs are often useful in trials where the effects of two (or more) exposures are being studied. MRC Vitamin Study Research Group. Prevention of neural...the medical research council vitamin study. Lancet 338 7:9A In order to achieve the purpose of randomization, all subjects assigned to receive placebo... | |
 | Institute of Medicine, Committee on Unintended Pregnancy - 1995 - 392 páginas
...with a Single Parent. Cambridge, MA: Harvard University Si W o Press; 1994Medical Research Council Vitamin Study Research Group. Prevention of neural...the Medical Research Council Vitamin Study. Lancet. 1991;338:131-137. Meier KJ, McFarlane DR. State family planning and abortion expenditures: Their effect... | |
 | F.A. Chervenak, A. Kurjak - 1995 - 264 páginas
...Prevention of Recurrent Neural Tube Defects, Number 120, March 63. MRC Vitamin Study Research Group (1991). Prevention of neural tube defects: results of the Medical Research Council Vitamin Study. Lancet, 338. 131-7 Prognosis of fetal hydrocephalus 14 P. Kirkinen and M. R\ynanen 1NTRODUCT1ON Fetal hydrocephalus,... | |
 | R. J. Trent - 1995 - 268 páginas
...syndrome. American Journal of Obstetrics and Gynecology 157: 803-8. MRC Vitamin Study Research Group. 1991. Prevention of neural tube defects: Results of the Medical Research Council vitamin study. Lancet 338: 131-7. Nicolaides, KH, Campbell, S., Gabbe, SG, Guidetii, R. 1986. Ultrasound screening for spina... | |
 | Debra A. Krummel, P. M. Kris-Etherton - 1996 - 614 páginas
...Spanish-American adolescents from urban low-income households. Am J Clin Nutr. 1982;35: 1023-1032. 63. MRC Vitamin Study Research Group. Prevention of neural...the Medical Research Council Vitamin Study. Lancet. 1991;338:131-137. 64. Czeizel A, Dudas 1. Prevention of the first occurrence of neural-tube defects... | |
 | United States. Public Health Service - 1995 - 310 páginas
...increased regular use of supplements containing folic acid by women of childbearing age. 8 References 1. MRC Vitamin Study Research Group. Prevention of neural...the Medical Research Council Vitamin Study. Lancet 338:131-37. 1991. 2. Czeizel, A., and Dudae, I. Prevention of first occurrence of neural tube defects... | |
 | DIANE Publishing Company - 1997 - 1038 páginas
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MRC Vitamin Study Research Group. Prevention of neural tube defects: results of the Medical Research Council Vitamin Study. 
