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Forest plot showing the relationship between the MDM2 rs 2279744 polymorphism and breast cancer risk in the African subgroup (TG vs TT).
Abbreviations: CI, confidence interval; OR, odds ratio; df, degrees of freedom; M-H, Mantel-Haenszel; vs, versus; MDM2, mouse double minute 2 homolog; TG vs TT, allele contrast genetic model.
