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. 2006 May 5;7:109. doi: 10.1186/1471-2164-7-109

Figure 3.

Figure 3

Histograms of background corrected spot intensities of reference samples. (a) Stratagene Universal Reference RNA™ from dataset GSE1706 (b) vRNA. Note that the range of background corrected spot intensities in a biologically derived reference (Stratagene Universal Reference RNA™) cover 11 orders of magnitude and the middle 50% of the spot intensities cover 5 orders of magnitude whereas background corrected spot intensities using vRNA covers 7 orders of magnitude and middle 50% of the spot intensities cover 2 orders of magnitude.