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Rho, C. R., Kim, H., Kim, M. S., & Kim, E. C. (2019). Income and Education are Independently Associated with Visual Impairment: The Korean National Health and Nutrition Examination Survey 2010-2012. Seminars in Ophthalmology, 1–6. doi:10.1080/08820538.2019.1597133 
10.1080/08820538.2019.1597133
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