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A representative agarose gel demonstrating the RT-PCR products of p14ARF, p15INK4b and p16INK4a. (A) Lanes 1–6 and (B and C) Lanes 1–9, RT-PCR products of methylated and unmethylated samples. MA, marker 100 bp. NC, negative control; RT-PCR, reverse-transcription PCR.
