Nucleus Accumbens D2/3 Receptors Predict Trait Impulsivity and Cocaine Reinforcement., 315 Sci. 1267 (2007) (with J. W. Dalley, T.D. Fryer, L. Brichard, E. S. J. Robinson, D. E. H. Theobald, K. Lääne, Y. Peña, Y. Shah, K. Probst, I. Abakumova, F. I. Aigbirhio, H. K. Richards, Y. Hong, J-C Baron, B. J. Everitt & T.W. Robbins).