Nowinski, Christopher. <br/><br/>
Head games :  football's concussion crisis from the NFL to youth leagues / 
Christopher Nowinski ; introduction by Jesse Ventura. 
 - 1st ed. 
 - East Bridgewater, MA :  Drummond Pub. Group,  c2007. 
 - xi, 195 p. ;  23 cm. 
<br/><br/>Includes bibliographical references (p. [171]-195). 
<br/><br/><label>ISBN: </label>1597630136 9781597630139 
<br/><br/><label>LCCN: </label>2006930723 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Football injuries--United States.<br/>Brain--Concussion--United States.<br/>Sports medicine--United States.
<br/><br/><label>LC Class. No.: </label>RC1220.F6  / N68 2007 
<br/><br/><label>Dewey Class. No.: </label>617.1/027