Ichikawa, H <br/><br/>
[Genetic studies on defective color vision in junior high school students].  [electronic resource] 

 -  Nippon Ganka Gakkai zasshi  Oct 1969 
 - 2198-206 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0029-0203 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Color Perception Tests<br/>Color Vision Defects--genetics<br/>Consanguinity<br/>Female<br/>Humans<br/>Male<br/>Sex Ratio