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Figure 2. Comparisons of different microRNAs (miRNAs) panels identified with varied normalization strategies in distinguishing hepatocellular carcinoma (HCC) tumor from non-tumor tissues. (A) A panel of 46 miRNAs identified using 3 endogenous controls as the normalizer can distinguish HCC tumor from non-tumor tissues with 2 misclassifications. The other 3 panels of miRNAs identified by using as normalizers of the mean of all miRNAs (B), miR-30c/miR-30b (C) and miR-30c/miR-126 (D) also classified HCC tumor from non-tumor tissues with only 1 or 2 misclassifications