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Marusich, J. ., Beckmann, J. ., Gipson, C. ., & Bardo, M. . (2011). Cue effects on methylphenidate self-administration in rats. Behavioural Pharmacology, 22(7), 714-7. https://doi.org/10.1097/FBP.0b013e32834afed1

, Marusich, J. ., Gipson, C. ., Beckmann, J. ., & Bardo, M. . (2012). High impulsivity in rats predicts amphetamine conditioned place preference. Pharmacology, Biochemistry, and Behavior, 100(3), 370-6. https://doi.org/10.1016/j.pbb.2011.07.012

Gipson, C. ., , Beckmann, J. ., Marusich, J. ., Zentall, T. ., & Bardo, M. . (2011). Social facilitation of d-amphetamine self-administration in rats. Experimental and Clinical Psychopharmacology, 19(6), 409-19. https://doi.org/10.1037/a0024682

Marusich, J. ., Beckmann, J. ., Gipson, C. ., & Bardo, M. . (2010). Methylphenidate as a reinforcer for rats: contingent delivery and intake escalation. Experimental and Clinical Psychopharmacology, 18(3), 257-66. https://doi.org/10.1037/a0019814

Beckmann, J. ., Marusich, J. ., Gipson, C. ., & Bardo, M. . (2011). Novelty seeking, incentive salience and acquisition of cocaine self-administration in the rat. Behavioural Brain Research, 216(1), 159-65. https://doi.org/10.1016/j.bbr.2010.07.022 (Original work published 2011)

Beckmann, J. ., Siripurapu, K. ., , Horton, D. ., Denehy, E. ., Vartak, A. ., … Bardo, M. . (2010). The novel pyrrolidine nor-lobelane analog UKCP-110 cis-2,5-di-(2-phenethyl)-pyrrolidine hydrochloride inhibits VMAT2 function, methamphetamine-evoked dopamine release, and methamphetamine self-administration in rats. The Journal of Pharmacology and Experimental Therapeutics, 335(3), 841-51. https://doi.org/10.1124/jpet.110.172742

Gipson, C. ., Beckmann, J. ., El-Maraghi, S. ., Marusich, J. ., & Bardo, M. . (2011). Effect of environmental enrichment on escalation of cocaine self-administration in rats. Psychopharmacology, 214(2), 557-66. https://doi.org/10.1007/s00213-010-2060-z