Objective To study the gene mutation and clinical characteristic of hereditary spinocerebellar ataxia type 7 (SCA7).
目的研究遗传性脊髓小脑性共济失调7型（SCA7）的基因突变和临床特征。
Objective To study the gene mutation and clinical characteristic of hereditary spinocerebellar ataxia type 7 (SCA7).
目的研究遗传性脊髓小脑性共济失调7型（SCA7）的基因突变和临床特征。
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