单选题:苯丙酮尿症患儿血苯丙氨酸浓度宜维持在

题目内容:
苯丙酮尿症患儿血苯丙氨酸浓度宜维持在 A.0.12~0.48mmol(2~8mg/dl)
B.0.12~0.6mmol(2~10mg/dl)
C.0.06~0.12mmol(1~2mg/dl)
D.0.06~0.02mmol(1~4mg/dl)
E.0.12~0.24mmol(2~4mg/dl)

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