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An Overview of Ophthalmologic Survey Methodology in the 2008-2015 Korean National Health and Nutrition Examination Surveys
Yoon,Kyung Chul et al.
Korean Journal of Ophthalmology(2015),29(6):359
http://0-dx.doi.org.brum.beds.ac.uk/10.3341/kjo.2015.29.6.359