Fig. 2From: Oral squamous cell carcinoma: microRNA expression profiling and integrative analyses for elucidation of tumourigenesis mechanismThe Principal Component Analysis (PCA) plot of oral cancer samples. The normalized log ratio values have been used for the analysis. OSCC samples of moderately differentiated histology are labeled in green (n = 16), and those of well-differentiated histology are labeled in blue (n = 13)Back to article page