Impairment of color vision among workers
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Dr. Sin-Eng Chia; Jerry Jeyaratnam; Choon-Nam Ong; Tze-Pin Ng; Hock-Siang Lee
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Article
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1994
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John Wiley and Sons
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English
โ 496 KB
๐ 2 views
A field study was conducted among 21 male workers exposed to styrene of concentration below 30 ppm in a fiber-reinforced plastic boat manufacturing plant. Twenty-one male workers with similar age groupings, years of education, and social and occupational state served as referents. The mean end-of-sh