Chronic 3, 4-methylenedioxymethamphetamine (MDMA) use: effects on mood and neuropsychological function?
JH Krystal, LH Price, C Opsahl… - The American journal …, 1992 - Taylor & Francis
Neuroendocrine and mood responses to intravenous L-tryptophan in 3, 4-methylenedioxymethamphetamine (MDMA) users: preliminary observations
LH Price, GA Ricaurte, JH Krystal… - Archives of General …, 1989 - jamanetwork.com