Markou, A <br/><br/>
Effects of contingent and non-contingent cocaine on drug-seeking behavior measured using a second-order schedule of cocaine reinforcement in rats.  [electronic resource] 

 -  Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology  Jun 1999 
 - 542-55 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>0893-133X 
<br/><br/><label>Standard No.: </label>10.1016/S0893-133X(98)00080-3  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Analysis of Variance<br/>Animals<br/>Cocaine--administration & dosage<br/>Cocaine-Related Disorders--psychology<br/>Conditioning, Psychological--drug effects<br/>Disease Models, Animal<br/>Male<br/>Psychomotor Performance--drug effects<br/>Rats<br/>Reinforcement, Psychology<br/>Self Administration