King-Smith, P E <br/><br/>
An acquired color defect of the opponent-color system.  [electronic resource] 

 -  Investigative ophthalmology  Jul 1976 
 - 584-7 p.  digital 
<br/><br/> Publication Type: Case Reports; Journal Article 
<br/><br/><label>ISSN: </label>0020-9988 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Color Perception Tests--methods<br/>Color Vision Defects--classification<br/>Eye--physiopathology<br/>Humans<br/>Male