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. Author manuscript; available in PMC: 2016 Nov 30.
Published in final edited form as: Psychiatry Res. 2015 Jul 29;230(1):44–49. doi: 10.1016/j.psychres.2015.07.073

Fig. 2.

Fig. 2

Mean (+SEM) subjective effects ratings for “HIGH” (A), “ANY DRUG EFFECT” (B), “GOOD DRUG EFFECT” (C) and “LIKE DRUG” (D) following 0, 20 and 40 mg cocaine from participants treated with placebo (pramipexole 0 mg) and pramipexole (3 mg). *p < 0.05, ** <0.01.