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Everitt BJ, Robbins TW (2007). Nucleus
Accumbens D2/3 Receptors Predict Trait. Impulsivity and Cocaine Reinforcement.
Science, 315, 1267-70. 2ºBloque Cardona D, López-Grancha
M, López-Crespo G, Nieto-Escamez F, Sánchez-Santed F, Flores P (2006).
Vulnerability of long-term neurotoxicity of chlorpyrifos: effect on
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