BALLS, Michael. <br/><br/>
Animals & Altrenatives in Toxicology : Present Status & Future Prospects. 

 - London.  Macmillan Press.  1991 
 - xiii, 390p 
<br/><br/><label>ISBN: </label>0 333 56428 6 
<br/><br/><label>Dewey Class. No.: </label>636.089