Kernell, D <br/><br/>
Proceedings: A simple and inexpensive method for helping 'red-green blind' subjects to identify colours.  [electronic resource] 

 -  The Journal of physiology  Sep 1974 
 - 73P-74P p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0022-3751 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Color Perception Tests--methods<br/>Color Vision Defects--therapy<br/>Gelatin<br/>Humans