Materials and methods: Polymorphic analysis of MCC, DCC and YNZ22 loci that contain a variable number of tandem repeat(VNTR) was performed in 41 surgical specimens of colorectal carcinoma by the polymerase chain reaction(PCR).
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- 方法：應用多聚酶鏈反應技術(shù)對41例大腸癌MCC、DCC基因和YNZ22位點(diǎn)的數量可變的重復序列（VNTR）區進(jìn)行了分析。
