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. Author manuscript; available in PMC: 2015 Oct 1.
Published in final edited form as: Psychopharmacology (Berl). 2014 Mar 15;231(19):3899–3905. doi: 10.1007/s00213-014-3528-z

Figure 2.

Figure 2

Mean peak (change from baseline) cardiovascular measures and subjective-effect ratings as a function of laboratory site and drug (placebo, MDMA). Error bars represent one SEM. An * indicates significant difference between Basel and the other two sites (p<0.05). An † indicates significant difference between Chicago and the other two sites (p<0.05). An § indicates significant difference between SF and Basel (p<0.05).