Green, T. ., Crooks, P. ., Bardo, M. ., & Dwoskin, L. . (2001). Contributory role for nornicotine in nicotine neuropharmacology: nornicotine-evoked 3H dopamine overflow from rat nucleus accumbens slices. Biochemical Pharmacology, 62(12), 1597-603. https://doi.org/10.1016/s0006-2952(01)00838-3 (Original work published 2001)

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