3Malinow MR, Bostom AG, Krauss RM. Homocysteine. diet and cardiovascular disease: A statement for healthcare professionals from the nutrition committee. American Heart Associaton [AHA Science Advisory] Circulation,1999, 99:178
4Brouwer IA, van Dusseldorp M, Thomas CMG, Duran M,HautvastJGAJ, Eskes TKAB, Steegers-Theunissen RPM.Low-dose folicacid supplementation decreases plasma homocysteine concentrations:a randomized trial. Am J Clin Nutr, 1999,69～ 99
5Leeda M, Riyazi N, De Vries J, Jakobs C, van Geijn H, Dekker G. Effects of folic acid and Vitamin B6supplementation on women with hyperhomocysteinemia and a history of preeclampsia or fetalgrow restriction.Am J Obstet Gynecol, 1998, 179:135
6M. de la Calle, R. Usandizaga, M. Sancha, et al.Homocysteine, folic acid and B ～ group vitamins in obstetrics and gynaecology Eutopean Joumal of Obstetries& Gynecology and Reproductive Biology 107 (2003) 125 ～134
7Chen P, Plddar R, Tipa EV, et al. Homocysteine metabolism in cardiovaseular cells and hyperhomocysteinemia and cardiovascular disease,Advan Enzyme Regul , 1999,39
8Fallest - strobl PC , Koch DD, Stein J H ,McBride PE. Homocys-teine :a new risk factor for atherosclerosis. Am Fam Physian ,1997 ,56:160
9Nelen WL, Blom HJ, Steegers EA, den Heijer M, Thomas CM, Eskes TK. Homocysteine and folate levels as a risk factor forrecurrent early pregancy loss. Obstet Gynecol,2000,95:519
10Nelen WL, van der Molen EF, Blom HJ, Heil SG,Steegers EA, Eskes TK. Recurrent early pregnancy loss and genetic-relateddisturbances in folate and homocysteine metabolism. Br J HospMed, 1997,58:511
9Chaa A, Robertson EF, Han EA et al. The sensitivity of ultrasound and serum alpha - fetoprotein in population - based antenatal screening for neural tube defects. South Australia, 1986 - 1991[J].Br J Obstet Gynaecol, 1995, 102:370.
