Comparison of the discriminative stimulus effects of 3,4-methylenedioxymethamphetamine (MDMA) and cocaine: asymmetric generalization
Drug and Alcohol Dependence (2004) - Comments
pubmed: 15194206  doi: 10.1016/j.drugalcdep.2004.01.005  issn: 0376-8716 

Nantaka Khorana, Manik R Pullagurla, Richard Young, Richard A Glennon