Neitz, J <br/><br/>
Trichromatic color vision with only two spectrally distinct photopigments.  [electronic resource] 

 -  Nature neuroscience  Oct 1999 
 - 884-8 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>1097-6256 
<br/><br/><label>Standard No.: </label>10.1038/13185  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Amino Acid Substitution<br/>Color Vision Defects--genetics<br/>Discrimination, Psychological--physiology<br/>Genetic Linkage<br/>Humans<br/>Retinal Pigments--physiology<br/>X Chromosome