Fig. 5From: From blood to lung tissue: effect of cigarette smoke on DNA methylation and lung functioneQTM analysis for CpG-sites at the intergenic regions on chromosome 2 and 6. DNA methylation levels are presented on the X-axis en the normalized gene expression levels are shown on the Y-axis. Blue circles = never smokers, gray squares = ex-smokers and yellow triangles = current smokersBack to article page