Overcoming backache 

 - USA :   Trident Reference Publishing,  c2005. 
 - 63 pages :  colored illustration ;  c2005. 
<br/><br/><label>ISBN: </label>1-58279636-X. 
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>Dewey Class. No.: </label>GR. 617.564 Ov96 2005