Fig. 8From: Identification of four genes and biological characteristics of esophageal squamous cell carcinoma by integrated bioinformatics analysis Validation of the expression levels of the four hub genes between normal esophageal samples (n = 10) and ESCC samples (n = 10) by PCR analysis. All of the data are presented as means ± SD. Significant differences were defined by a p-value < 0.001Back to article page