The MERCK index ;  an encyclopedia of chemicals and drugs / 
Paul G. Stecker, editor 
 - Eighth edition 
 - various pagings ;  illustrations :  25 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Materia medica<br/>Drugs
<br/><br/><label>Dewey Class. No.: </label>660.2016