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Relapse-free survival (RFS) of the patients with XRCC1 rs915927 polymorphisms. A. Survival curves for AG versus AA in patients treated with EPI. B. Survival curves for AG+GG versus AA in patients treated with EPI. C. Survival curves for AG versus AA in patients treated with MMC. D. Survival curves for AG+GG versus AA in patients treated with MMC.
