
%0 Journal Article
%T A Report of the Examination of the Employees of the Pennsylvania Rail Road as to Color Sense, Acuteness of Vision, and Hearing
%J Transactions of the American Ophthalmological Society
%D 1884
%A Thomson, W.
%V 3
%N 
%P 728-729
%X <p>[Abstract unavailable]</p> <p>Language: en</p>
%G en
%I American Ophthalmological Society
%@ 0065-9533
%U http://dx.doi.org/