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2. Is sickle cell trait an additional risk factor for diabetic angiopathy?;Abadie;Diabetes Care,1981
3. Role of abnormal blood rheology in the pathogenesis of diabetic retinopathy;Little;Trans. Am. Acad. Ophthalmol. Otolaryngol.,1977
4. The Wisconsin epidemiologic study of diabetic retinopathy;Klein;Arch. Ophthalmol.,1984
5. A detailed study of risk factors for retinopathy and nephropathy in diabetes;West;Diabetes,1980