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Table 2 Average pair-wise correlation coefficients (± S.D.) of normalized intensities of replicate arrays within a labeling method (n = 6) and across methods (n = 18).

From: A rapid and inexpensive labeling method for microarray gene expression analysis

  Direct Random Indirect ds-cDNA
Direct Random 0.995 ± 0.001 - -
Indirect 0.934 ± 0.006 0.990 ± 0.004 -
ds-cDNA 0.62 ± 0.02 0.55 ± 0.02 0.987 ± 0.002