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PUBLIC MARKS from DrGEN with tag vietnam

04 July 2006 18:15

A problem of colours

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8% of men have colour blindness (daltonism). Are you sure you don´t? Take this simple and free test and find out the answer. Ishihara´s test. Take a look at one sinlge picture and you get the answer.

ishihara test colour blindness vietnam daltonism

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PUBLIC MARKS from DrGEN with tag vietnam

04 July 2006 18:15

A problem of colours

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