diabetics with retinopathy had similar activities of prekallikrein , factor xii , high molecular weight kininogen , kallikrein inhibitor , c-1-esterase inhibitor and antithrombin iii when compared with patients without retinopathy and controls respectively . alpha-2-macroglobulin did not differ in patients with and without diabetic retinopathy but were significantly elevated in both groups compared with controls .
C0035309
retinopathy
C0011884
diabetic