Douglass, F M <br/><br/>
Three types of extreme drug users identified by a replicated cluster analysis.  [electronic resource] 

 -  Journal of abnormal psychology  Apr 1980 
 - 240-9 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>0021-843X 
<br/><br/><label>Standard No.: </label>10.1037//0021-843x.89.2.240  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Adult<br/>Aged<br/>Child<br/>Female<br/>Humans<br/>Male<br/>Middle Aged<br/>Space-Time Clustering<br/>Substance-Related Disorders--diagnosis