Sewell, Winifred. <br/><br/>
Guide to drug information / 
Winifred Sewell. 
 - Hamilton :  Drug Intelligence Publications,  1976. 
 - viii, 218 p. ;  23 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/> Closed. 
<br/><br/><label>ISBN: </label>0914768212 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pharmacy--Information services.