Self-administration of oxycodone alone or as a mixture with the kappa agonist, salvinorin a, by monkeys under a progressive ratio schedule of reinforcement

2015 ◽  
Vol 146 ◽  
pp. e48-e49 ◽  
Author(s):  
Jennifer Naylor ◽  
Thomas Prisinzano ◽  
Kevin Freeman
1999 ◽  
Vol 147 (2) ◽  
pp. 135-142 ◽  
Author(s):  
E. C. Donny ◽  
A. R. Caggiula ◽  
M. M. Mielke ◽  
S. Booth ◽  
M. A. Gharib ◽  
...  

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