Henderson, E D <br/><br/>
Preseason conditioning exercises for high school football players.  [electronic resource] 

 -  Minnesota medicine  Aug 1967 
 - 1263-71 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0026-556X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Athletic Injuries--prevention & control<br/>Humans<br/>Male<br/>Sports Medicine