title: Diabetic retinopathy and E.C.G. changes.
mesh_terms: D000328:Adult; D000368:Aged; D003327:Coronary Disease / Q000503:physiopathology; D003930:Diabetic Retinopathy / Q000503:physiopathology*; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged