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Green, T., Phillips, S., Crooks, P., Dwoskin, L., & Bardo, M. (2000). Nornicotine pretreatment decreases intravenous nicotine self-administration in rats. Psychopharmacology, 152(3), 289-94. https://doi.org/10.1007/s002130000524

Bardo, M., Green, T., Crooks, P., & Dwoskin, L. (1999). Nornicotine is self-administered intravenously by rats. Psychopharmacology, 146(3), 290-6. https://doi.org/10.1007/s002130051119

Dwoskin, L., Crooks, P., Teng, L., Green, T., & Bardo, M. (1999). Acute and chronic effects of nornicotine on locomotor activity in rats: altered response to nicotine. Psychopharmacology, 145(4), 442-51. https://doi.org/10.1007/s002130051079

Klein, E., Gehrke, B., Green, T., Zentall, T., & Bardo, M. (2007). Repeated Cocaine Experience Facilitates Sucrose-Reinforced Operant Responding in Enriched and Isolated Rats. Learning and Motivation, 38(1). https://doi.org/10.1016/j.lmot.2006.07.004

Green, T., & Bardo, M. (2020). Opposite regulation of conditioned place preference and intravenous drug self-administration in rodent models: Motivational and non-motivational examples. Neuroscience and Biobehavioral Reviews, 116, 89-98. https://doi.org/10.1016/j.neubiorev.2020.06.006