Scholey AB, Parrott AC, Buchanan T, Heffernan TM, Ling J, Rodgers J, « Increased intensity of Ecstasy and polydrug usage in the more experienced recreational Ecstasy/MDMA users: a WWW study », Addict Behav, vol. 29, no 4, , p. 743–52 (PMID15135556, DOI10.1016/j.addbeh.2004.02.022, lire en ligne)
nih.gov
ncbi.nlm.nih.gov
Scholey AB, Parrott AC, Buchanan T, Heffernan TM, Ling J, Rodgers J, « Increased intensity of Ecstasy and polydrug usage in the more experienced recreational Ecstasy/MDMA users: a WWW study », Addict Behav, vol. 29, no 4, , p. 743–52 (PMID15135556, DOI10.1016/j.addbeh.2004.02.022, lire en ligne)
samhsa.gov
oas.samhsa.gov
"Polydrug Use Among Treatment Admissions: 1998." OAS Home: Alcohol, Tobacco & Drug Abuse and Mental Health Data from SAMHSA, Office of Applied Studies. Web. 29 Sept. 2011. [1]
swansea.ac.uk
psy.swansea.ac.uk
Scholey AB, Parrott AC, Buchanan T, Heffernan TM, Ling J, Rodgers J, « Increased intensity of Ecstasy and polydrug usage in the more experienced recreational Ecstasy/MDMA users: a WWW study », Addict Behav, vol. 29, no 4, , p. 743–52 (PMID15135556, DOI10.1016/j.addbeh.2004.02.022, lire en ligne)