Methylmalonic Acid in Amniotic Fluid and Maternal Urine as a Marker for Neural Tube Defects - 罗小平 张炼 魏红 刘皖君 王慕逖 宁琴 (Current medical science, 2004)
Keywords: Adult; Amniotic Fluid - chemistry; Biomarkers - analysis; Biomarkers - urine; Female; Folic Acid - blood; Humans; Methylmalonic Acid - analysis; Methylmalonic Acid - urine; Neural Tube Defects - diagnosis; Neural Tube Defects - metabolism; Pregnancy; Pregnancy Trimester, Second; Prenatal Diagnosis; Vitamin B 12 - blood; 尿液检测; 早期诊断; 甲基丙二酸; 神经管缺陷; neural tube defects; vitamin B12; folic acid; methymalonic acid