Ribeiro Do Couto, B., Daza-Losada, M., Rodríguez-Arias, M., Nadal, R., et al. (2012). Adolescent pre-exposure to ethanol and 3,4-methylenedioxymethylamphetamine (MDMA) increases conditioned rewarding effects of MDMA and drug-induced reinstatement. Addiction Biology, 17(3), 588 - 600.