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Polymorphisms in thymidylate synthase gene and susceptibility to breast cancer in a Chinese population: a case-control analysis.

Wei, Qingyi; Zhai, Xiangjun; Gao, Jun; Hu, Zhibin; Tang, Jinhai; Qin, Jianwei; Wang, Shui; ... (14 authors) (BMC cancer, 2006-01)

BACKGROUND: Accumulative evidence suggests that low folate intake is associated with increased risk of breast cancer. Polymorphisms in genes involved in folate metabolism may influence DNA methylation, nucleotide synthesis, ...