Plotnikoff Nicholas P Ed. <br/><br/>
Enkephalins and endorphins stress and the immune system. 

 - New York     Plenum Press       1986 
 - ix,447p.  cm. 
<br/><br/><label>Standard No.: </label>29690 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>L:4:56, M6