Methods: Exon 11 of PAH gene was analyzed in 22 patients affected with classical PKU from Inner Mongolia by using PCR-SSCP-silver stain method and DNA direct sequencing.

• 方法:应用PCR-SSCP-银染法和DNA直接测序的方法,对22例内蒙古地区PKU病人PAH基因外显子11进行了检测。