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Methylation results of fragile histidine triad (FHIT) in acute lymphoblastic leukemia (ALL) and control samples according to methylation-specific (MS)-PCR analysis. Samples 1, 3 and 5 were methylated. M, DNA marker; +, positive control; −, negative control; m, methylated; u, unmethylated; 2, control sample; 1 and 3–5, ALL samples.
