Figure 5From: Reverse transcription-quantitative polymerase chain reaction: description of a RIN-based algorithm for accurate data normalizationApplication of the RIN-based normalization factor for EGFR quantification in rectal biopsy samples. The relative expression ratio corresponds to EGFR expression level, expressed as an n-fold difference relative to the sample with the lowest EGFR expression. Dark and light gray bars correspond to non-normalized and RIN-normalized relative expression ratios, respectively.Back to article page