Dulberg, H N <br/><br/>
Psychological changes in early adolescent males induced by systematic exercise.  [electronic resource] 

 -  American corrective therapy journal   
 - 142-6 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0002-8088 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Adolescent Behavior<br/>Humans<br/>Jogging<br/>Male<br/>Psychology, Adolescent<br/>Running