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Role of unconditioned and conditioned drug effects in the self-administration of opiates and stimulants.
Stewart, Jane, de Wit, Harriet, Eikelboom, RoelofVolume:
91
Year:
1984
Language:
english
Journal:
Psychological Review
DOI:
10.1037/0033-295X.91.2.251
File:
PDF, 1.81 MB
english, 1984