Mechanisms of defense  internal defenses.  (videorecording) 

 - Princeton, N.J.  Films for the Humanities  c1991. 
 - 1 videocassette (26 min.)  sd., col.  1/2 in. 
<br/><br/><br/>VHS format. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Defense reaction Physiology<br/>Bones--Wounds and injuries.