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Periconceptional folate prevents spina bifida although the mechanisms involved are unclear. We present the genotype frequency for the 677 ct methylenetetrahydrofolate reductase (MTHFR) and 2756ag(More)
The C677T polymorphism in the methylenetetrahydrofolate reductase (MTHFR) gene is associated with a decreased risk of colon cancer although it may increase the risk of breast cancer. This(More)