以下为句子列表：
英文: They were performed BH_ (0mg/kg) or combined with Phe(00mg/kg) loading test,urinary pterin analysis as well as dihydropteridine reductase (DHPR) activity determination in dried blood spot.
中文: 所有患儿做辅酶的羟生物蝶呤(BH,0mg/kg)或联合血苯丙氨酸(Phe,00mg/kg)负荷试验、尿蝶呤谱分析及红细胞二氢蝶啶还原酶活性(DHPR)测定。 以口服BH后h内血Phe浓度下降 0%以上且排除BH缺乏症为诊断标准。
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