Foltin, R W <br/><br/>
Motivational effects of smoked marijuana: behavioral contingencies and high-probability recreational activities.  [electronic resource] 

 -  Pharmacology, biochemistry, and behavior  Dec 1989 
 - 871-7 p.  digital 
<br/><br/> Publication Type: Clinical Trial; Controlled Clinical Trial; Journal Article; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>0091-3057 
<br/><br/><label>Standard No.: </label>10.1016/0091-3057(89)90287-6  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Humans<br/>Male<br/>Marijuana Smoking--psychology<br/>Motivation<br/>Probability<br/>Recreation