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2. Visual impairment in diabetes;Klein;Ophthalmology,1984
3. Current estimates from the Health Interview Survey: United States-1977;Howie;Vital Health Stat [10],1978
4. The Framingham Eye Study Monograph; an ophthalmological and epidemiological study of cataract, glaucoma, diabetic retinopathy, macular degeneration and visual acuity in a general population of 2631 adults, 1973–1975;Leibowitz;Surv Ophthalmol,1980
5. Senile lens changes and diabetes in two population studies;Ederer;Am J Ophthalmol,1981