Bracker, M D <br/><br/>
Cluster Headache Among Athletes.  [electronic resource] 

 -  The Physician and sportsmedicine  Feb 1989 
 - 146-58 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0091-3847 
<br/><br/><label>Standard No.: </label>10.1080/00913847.1989.11709712  doi