Bardo, M. ., Bowling, S. ., Rowlett, J. ., Manderscheid, P. ., Buxton, S. ., & Dwoskin, L. . (1969). Environmental enrichment attenuates locomotor sensitization, but not in vitro dopamine release, induced by amphetamine. Pharmacology, Biochemistry, and Behavior, 51(2-3), 397-405. https://doi.org/10.1016/0091-3057(94)00413-d (Original work published 1969)