Fig. 7From: MicroRNA let-7b inhibits cell proliferation via upregulation of p21 in hepatocellular carcinomaCorrelation of let-7b and p21 expression in HCC patients. a Quantitative analysis of p21 expression in adjacent nontumor and tumor tissue of HCC patients. **P < 0.01. b Expression of p21 in tumor tissues showed a positive correlation withlet-7bBack to article page