Spinocerebellar ataxia ; machado-joseph disease ; cag trinucleotide repeat ; asymptomatic ; amplification mutation ; autosomal dominnant .

小脑脊髓运动失调;核酸重复序列;体染色体显性遗传;渐进性神经退化性疾病;扩增突变。

The establishment of diagnosis procedure and the study of ctg trinucleotide expansion pathway of myotonic dystropy .

肌强直型肌肉萎缩症诊断程序之建立及突变途径之研究。