Freund, M <br/><br/>
Standards for the rating of human sperm morphology. A cooperative study.  [electronic resource] 

 -  International journal of fertility   
 - 97-180 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0020-725X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification<br/>Humans<br/>In Vitro Techniques<br/>Male<br/>Spermatozoa--abnormalities