Figure 2From: Association of genetic polymorphisms with chronic obstructive pulmonary disease in the Chinese Han population: a case–control study Linkage disequilibrium of SNPs in the TGF-β1 and CDC97 genes using Haploview software. The red color indicates the higher linkage disequilibrium (D’=0.98) between the rs2241718 and rs6957; between the rs1800469 and rs2241712.Back to article page