Negus, S S <br/><br/>
Effects of kappa opioids on cocaine self-administration by rhesus monkeys.  [electronic resource] 

 -  The Journal of pharmacology and experimental therapeutics  Jul 1997 
 - 44-55 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>0022-3565 
<br/><br/><label>Subjects--Topical Terms: </label><br/>3,4-Dichloro-N-methyl-N-(2-(1-pyrrolidinyl)-cyclohexyl)-benzeneacetamide, (trans)-Isomer<br/>Animals<br/>Circadian Rhythm<br/>Cocaine--administration & dosage<br/>Dose-Response Relationship, Drug<br/>Ethylketocyclazocine--pharmacology<br/>Female<br/>Macaca mulatta<br/>Male<br/>Naloxone--pharmacology<br/>Naltrexone--analogs & derivatives<br/>Pyrrolidines--pharmacology<br/>Receptors, Opioid, kappa--agonists<br/>Self Administration<br/>Substance-Related Disorders--drug therapy