Zein, Z A <br/><br/>
Gene frequency and type of colour blindness in Ethiopians.  [electronic resource] 

 -  Ethiopian medical journal  Apr 1990 
 - 73-5 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0014-1755 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Adult<br/>Child<br/>Color Vision Defects--classification<br/>Ethiopia<br/>Female<br/>Gene Frequency<br/>Humans<br/>Male<br/>Prevalence