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Association between the XPD Lys751Gln polymorphism and colorectal cancer risk. Forest plots of (A) homozygous model (Gln-Gln versus Lys-Lys), (B) heterozygous model (Lys-Gln versus Lys-Lys), and (C) dominant model (Lys-Gln + Gln-Gln versus Lys-Lys).(/p)(/p)Abbreviations: CI, confidence interval; OR, odds ratio; XPD, xeroderma pigmentosum complementary group D.
