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Transactions of the American Ophthalmological Society logoLink to Transactions of the American Ophthalmological Society
. 1902;9:639–653.

Progress toward greater uniformity in the examination of the vision, color-sense, and hearing of railroad employees

Charles H Williams
PMCID: PMC1322342  PMID: 16691976

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Articles from Transactions of the American Ophthalmological Society are provided here courtesy of American Ophthalmological Society

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