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Klaver CW, Wolfs CW, Vingerling R, Hofman A, de Jong TVM. Age-Specific Prevalence and Causes of Blindness en Visual Impairment in the Older Population; the Rotterdam study. Arch Ophthalmol. 1998;116:653-658.
Klaver CW, Wolfs CW, Vingerling R, Hofman A, de Jong TVM. Age-Specific Prevalence and Causes of Blindness en Visual Impairment in the Older Population; the Rotterdam study. Arch Ophthalmol. 1998;116:653-658.