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. Author manuscript; available in PMC: 2018 Nov 1.
Published in final edited form as: Psychopharmacology (Berl). 2017 Aug 16;234(21):3271–3278. doi: 10.1007/s00213-017-4716-4

Fig. 2.

Fig. 2

Results of substitution tests with (−)-cocaine, MDMA, (+)-LSD, and (+)-fenfluramine in groups of male Sprague-Dawley rats trained to discriminate 1 mg/kg (closed circles) or 3 mg/kg (open squares) 4-MMC. See Fig. 1 caption for additional details