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Emmett-Oglesby, M.W. Commentary on “Drug discrimination is a continuous rather than a quantal process following training on a VI-TO schedule of reinforcement” by Barrett et al.. Psychopharmacology 113, 300–301 (1994). https://doi.org/10.1007/BF02245199
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DOI: https://doi.org/10.1007/BF02245199