Hellstrom, Wayne J G <br/><br/>
Semen and sperm reference ranges for men 45 years of age and older.  [electronic resource] 

 -  Journal of andrology   
 - 421-8 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>0196-3635 
<br/><br/><label>Standard No.: </label>10.2164/jandrol.05156  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aging<br/>Follicle Stimulating Hormone--blood<br/>Humans<br/>Luteinizing Hormone--blood<br/>Male<br/>Middle Aged<br/>Reference Values<br/>Retrospective Studies<br/>Semen--physiology<br/>Sperm Count<br/>Sperm Motility--physiology<br/>Spermatozoa--cytology<br/>Testosterone--blood<br/>World Health Organization