The United States Pharmacopeia XXI 

 - 21st 
 - Rockville  Twinbrook Parkway  1984 
 - lvii, 1683p  
<br/><br/> Hardcover 
<br/><br/><label>ISBN: </label>0913595055 
<br/><br/><label>ISSN: </label>
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>Dewey Class. No.: </label>615.11  / UNU