September 2013 - Volume 24 - Issue 5 and 6
pp: 337-542




Comparison of a drug versus money and drug versus drug self-administration choice procedure with oxycodone and morphine in opioid addicts

Comer, Sandra D.; Metz, Verena E.; Cooper, Ziva D.; More

Behavioural Pharmacology. 24(5 and 6):504-516, September 2013.

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