Figure 1From: ERAP1 genetic variations associated with HLA-B27 interaction and disease severity of syndesmophytes formation in Taiwanese ankylosing spondylitisPairwise linkage disequilibrium (LD) plot patterns for four polymorphisms through ERAP1 regions on chromosome 5. (a: controls N = 1,150; b: AS cases N = 797; c: Totals N = 1,947).Back to article page