A. 无脑儿 B. 脑膨出 C. 脊柱裂 D. 先天性心脏病
A. 骨骼X线检查 B. 染色体核型检查 C. 血清T3、T4检查 D. 尿三氯化铁试验 E. 血浆游离氨基酸分析
A. 0.0001,0.004 B. 0.0002,0.008 C. 0.0003,0.0016 D. 0.0004,0.012