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1992 Krystal MDMA Cognition Study
Chronic 3,4-Methylenedioxymethamphetamine (MDMA) Use: Effects on Mood and Neuropsychological Function?
by J.H. Krystal; L.H. Price; C. Opsahl; G.A. Ricaurte; G.R. Heninger
American Journal of Drug and Alcohol Abuse
Vol 18, 1992, 331-341
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