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Association of COMT Val158Met polymorphism and breast cancer risk: an updated meta-analysis

Xue Qin, Qiliu Peng, Aiping Qin, Zhiping Chen, Liwen Lin, Yan Deng, Li Xie, Juanjuan Xu, Haiwei Li, Taijie Li, Shan Li* and Jinmin Zhao*

Diagnostic Pathology 2012, 7:136  doi:10.1186/1746-1596-7-136

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1746-1596-7-136