Figure 2.
PCR-RFLP assay for analyzing the TNF-α-308G/A polymorphism in ESCC tissue. PCR products were separated by 3% agarose. Lane 1, A/A; Lane 2, 3, 4, 5, 6, 8, G/G; Lane 7, 9, 10, G/A; M, molecular weight marker.
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