McClafferty, Carla Killough,  1958- <br/><br/>
Fourth down and inches  concussions and football's make-or-break moment / 
by Carla Killough McClafferty. 
 - Minneapolis :  Carolrhoda Books,  (c)2013. 
 - 1 online resource (pages cm.) 
<br/><br/>Includes bibliographies and index. 
<br/><br/>
<br/><br/><label>ISBN: </label>9781467716659 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Brain--Concussion.<br/>Head--Wounds and injuries.<br/>Football injuries.<br/>Football players--Health and hygiene.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic Books.
<br/><br/><label>LC Class. No.: </label>RC394  / .F687 2013