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Self-administered heroin and cocaine combinations in the rat: additive reinforcing effects-supra-additive effects on nucleus accumbens extracellular dopamine.

Smith JE, Co C, Coller MD, Hemby SE, Martin TJ. Self-administered heroin and cocaine combinations in the rat: additive reinforcing effects-supra-additive effects on nucleus accumbens extracellular dopamine. Neuropsychopharmacology. 2006 Jan; 31(1):139-50.

View in: PubMed