Smith, D M <br/><br/>
Colour vision defects and occupation.  [electronic resource] 

 -  Lancet (London, England)  Jan 1980 
 - 105 p.  digital 
<br/><br/> Publication Type: Letter 
<br/><br/><label>ISSN: </label>0140-6736 
<br/><br/><label>Standard No.: </label>10.1016/s0140-6736(80)90540-1  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Color Perception Tests--methods<br/>Color Vision Defects--diagnosis<br/>Humans<br/>Male<br/>Occupations