American drug index / 
edited by Norman F. Billups and Shirley M. Billups 
 - 30th ed. 
 - Philadelphia :  J. B. Lippincott,  1986 
 - 740 p. ;  21 cm. 
<br/><br/><label>ISBN: </label>0397507364 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drugs--Catalogs<br/>Drugs--Indexes