controlled drugs. 

 - london:   1997.  
 - paperback  
<br/><br/> 40pp., 30x21 
<br/><br/><label>Subjects--Topical Terms: </label><br/>cannabis<br/>Drugs--Controlled release<br/>depressants<br/>Drugs<br/>hallycinogens<br/>opiates<br/>stimulants