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 tonalité of relapse behaviour.