Association of X-ray Repair Cross Complementing Group 1 Arg399Gln Polymorphisms with the Risk of Squamous Cell Carcinoma of the Head and Neck: Evidence from an Updated Meta-Analysis

• Yadong Wang ,

  Contributed equally to this work with: Yadong Wang, Xinwei Chu

  Affiliations Henan Center for Disease Control and Prevention, Zhengzhou, China, Department of Occupational Health and Occupational Medicine, School of Public Health and Tropic Medicine, Southern Medical University, Guangzhou, China

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• Xinwei Chu ,

  Contributed equally to this work with: Yadong Wang, Xinwei Chu

  Affiliation Department of Nutrition Health, School of Public Health and Tropic Medicine, Southern Medical University, Guangzhou, China

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• Xiaojing Meng,

  Affiliation Department of Occupational Health and Occupational Medicine, School of Public Health and Tropic Medicine, Southern Medical University, Guangzhou, China

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• Fei Zou

  * E-mail: zoufei0616@163.com

  Affiliation Department of Occupational Health and Occupational Medicine, School of Public Health and Tropic Medicine, Southern Medical University, Guangzhou, China

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