Bell, R. Gordon <br/><br/>
Classification and symptomatology /  
R. Gordon Bell.  
 - Ottawa :   Minister of Supply and Services,   1978.  
 - 28 p. :  
 - Core knowledge in the drug field : a basic manual for trainers   7 .
<br/><br/> Includes bibliographical references  
<br/><br/><label>ISBN: </label>0662013220 
<br/><br/><label>Subjects--Topical Terms: </label>