Kok, J C <br/><br/>
Analysis of illicit drugs.  [electronic resource] 

 -  Lancet (London, England)  May 1971 
 - 1065-6 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0140-6736 
<br/><br/><label>Standard No.: </label>10.1016/s0140-6736(71)91624-2  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drug Contamination<br/>Netherlands