Cocaine Effects on Dopaminergic Transmission Depend on a Balance between Sigma-1 and Sigma-2 Receptor Expression oleh David Aguinaga, David Aguinaga, Mireia Medrano, Mireia Medrano, Ignacio Vega-Quiroga, Katia Gysling, Enric I. Canela, Enric I. Canela, Gemma Navarro, Gemma Navarro, Rafael Franco, Rafael Franco