Fig. 3From: Identification of four key prognostic genes and three potential drugs in human papillomavirus negative head and neck squamous cell carcinomaHeatmaps of hub genes from the three GEO datasets and verification via Oncomine database analysis. a–c Heatmaps of hub gene expression in the three GEO datasets. d Heatmap of genes in two Oncomine datasets used to verify the expression of the hub genesBack to article page