Figure 1From: microRNA evaluation of unknown primary lesions in the head and neckPrincipal component analysis based on the differential expression levels of 5 miRs (miR-137, miR-210, miR-200c, miR-213, and miR-622). These miRs showed the most significant differential expression according to each tumor site. The dot plots represent the relative expression levels of each miR across all sites.Back to article page