Cancer pain relief  with a guide to opioid availability. 

 - Geneva  World Health Organization  1998 
 - vi, 63p.: ill.; 22cm. 
<br/><br/><label>ISBN: </label>9241544821 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Neoplasms - Drug therapy; Pain - Drug therapy.
<br/><br/><label>Dewey Class. No.: </label>616.994061  / W83C