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Variations in the prevalence of vision impairment across re..:

Winston D Prakash ; Srinivas Marmamula ; Asha Latha Mettla..
http://www.ijo.in/article.asp?issn=0301-4738;year=2023;volume=71;issue=10;spage=3322;epage=3327;aulast=Prakash.  , 2023