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. 2007 Jan 17;8:17. doi: 10.1186/1471-2164-8-17

Figure 3.

Figure 3

Box plots of the M-values on four technical replicates (r1–r4) for normalized experimental genes. The amount of spike RNA on both channels is 250 pg. (A) Box plots before scaling. (B) Box plots after the quantile scale method.