Fig. 4From: Aberrant DNA hypermethylation-silenced SOX21-AS1 gene expression and its clinical importance in oral cancerSOX21 and SOX21-AS1 expression was silenced using DNA methylation. a, b SOX21 and SOX21-AS1 expression in the 86 pairs of adjacent normal and tumor tissues examined through real-time PCR. c Correlation coefficients of SOX21-AS1 and SOX21 expression in OSCCBack to article page