KLEIN, R. Prevalence of diabetes mellitus in southern Wisconsin. Am J Epidemiol. 1984, 119, 54-61
KLEIN, R. The Wisconsin Epidemiologic Study of Diabetic Retinopathy, II : Prevalence and risk of diabetic retinopathy when age at diagnosis is less than 30 years. Arch Ophthalmol. 1984, 102, 520-526
KLEIN, R. The Wisconsin Epidemiologic Study of Diabetic Retinopathy, III : Prevalence and risk of diabetic retinopathy when age at diagnosis is 30 or more years. Arch Ophthalmol. 1984, 102, 527-532
KLEIN, R. The Wisconsin Epidemiologic Study of Diabetic Retinopathy, XIV : ten-year incidence and progression of diabetic retinopathy. Arch Ophthalmol. 1994, 112, 1217-1228