Nieman, D C <br/><br/>
Risk of upper respiratory tract infection in athletes: an epidemiologic and immunologic perspective.  [electronic resource] 

 -  Journal of athletic training  Oct 1997 
 - 344-9 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1062-6050