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F. Rodriguez de Fonseca (Spain): Role for the endogenous cannabinoid system in ethanol dependence.

G. Di Chiara (Italy): Title pending.

J.A. Garcia-Sevilla (Switzerland): Opioid receptors and signalling proteins in brains of opioid addicts.

V. Höllt (Germany): Molecular mechanisms of opioid tolerance and dependence.

A.N. Schoffelmeer (The Netherlands): Pharmacological modulation of relapse behaviour.