图 4. CTSC基因外显子7测序.
Fig 4 Sequencing of CTSC gene mutation of exon 7
a、b箭头分别指示先证者及其母亲c.1040A>G杂合突变位点，c、d箭头分别指示其父亲和姐姐c.1040A正常序列。
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