Additional file 5.

Figure S2.Sensitive analysis to assess the influence of a single study in the meta-analysis on MTHFR C677T polymorphism and the risk of ALL. Allele contrast was used in sensitive analysis. N, non-Caucasians, admixture of Amerindians, Europeans and Africans; W, mainly Brazilians of Caucasian descent.

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Wang et al. BMC Medical Genetics 2012 13:77   doi:10.1186/1471-2350-13-77