Table 5. Mean (SD) MDMA/MDA concentrations (µg/L) in MDMA and the combined pindolol+MDMA condition.

	MDMA Condition				Pindolol + MDMA Condition
	90′ post-MDMA		165′ post-MDMA		90′ post-MDMA		165′ post-MDMA
	MDMA	MDA	MDMA	MDA	MDMA	MDA	MDMA	MDA
Mean	127.65	4.23	141.68	6.48	105.67	3.57	131.57	6.61
SD	45.66	2.33	65.03	2.34	40.50	2.46	42.23	2.31
N	17		17		18		16