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Bergstran■1956年在人胎儿血清中发现甲胎蛋白,(AFP)后。1962年Brock首次报道有严重神经和这缺损的胎儿羊水中的甲胎蛋白值升高。近年来,应用AFP测定作定预测某些
Bergstran ■ AFP detected in human fetal serum in 1956 (AFP). In 1962, Brock first reported an increase in alpha-fetoprotein levels in fetal amniotic fluid with severe nerve defects and this defect. In recent years, the application of AFP determination to make certain predictions