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Interactions between the reinforcing effects of cocaine and heroin in a drug-vs-food choice procedure in rhesus monkeys: a dose-addition analysis
S. Stevens NegusVolume:
180
Language:
english
Pages:
10
DOI:
10.1007/s00213-004-2133-y
Date:
June, 2005
File:
PDF, 171 KB
english, 2005