Cossman, J <br/><br/>
Color-blind farmers.  [electronic resource] 

 -  The New England journal of medicine  Oct 1973 
 - 811-2 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0028-4793 
<br/><br/><label>Standard No.: </label>10.1056/NEJM197310112891528  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture<br/>Color Vision Defects--epidemiology<br/>Humans