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妊娠中期血清甲基丙二酸水平升高作为神经管畸形的危险因子［英］／ＡｄａｍｓＭＪ…／／Ｔｅｒａｔｏｌｏｇｙ１９９５，５１３１１～３１７本研究采用病例对照方法分析妊娠中期孕妇血清中叶酸、ＶＢ１２和甲基丙二酸（ＭＭＡ）等１４种相关代谢产物水平与胎...
Mid-pregnancy serum methylmalonic acid levels as a risk factor for neural tube defects [English] / AdamsMJ ... // Tera Tology 1995, 51 311 ~ 317 In this study, case-control analysis of pregnant women in the second trimester Serum folic acid, VB12 and methylmalonic acid (MMA) and other 14 kinds of related metabolites and fetal ...