BH loading tast and urine pterin analysis can be used as differental diagnosis methods for classical PKU and BH deficiency.
BH loading tast and urine pterin analysis can be used as differental diagnosis methods for classical PKU and BH deficiency.
血苯丙氨酸浓度在口服BH后无明显变化，尿喋呤谱分析基本正常的患儿诊断为经典型苯丙酮尿症；