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Background The X-ray repair cross-complementation group 1 (XRCC1) protein plays an important role in base excision repair. Aim To elucidate the role of XRCC1 Arg399Gln, Arg194Trp and Arg280His genotypes in esophageal cancer risk, all available studies were considered in the present meta-analysis. Methods Eligible studies were identified by searching several electronic databases for relevant reports...
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