1. Schechter MD. 'Candyflipping': synergistic discriminative effect of LSD and MDMA. Eur J Pharmacol. 1998;341:131-134.
2. Drug Enforcement Administration. Special Topic: A Look at Local Drug Markets. Pulse Check: Trends in Drug Abuse January-June 2002 Reporting Period. Washington, DC: Office of National Drug Control Policy; 2002:71-76.
3. Arria AM, Yacoubian GS Jr, Fost E, Wish ED. The pediatric forum: ecstasy use among club rave attendees. Arch Pediatr Adolesc Med. 2002; 156:295-296.
4. National Institute on Drug Abuse. Research Report Series MDMA Abuse (Ecstasy). Bethesda, MD: National Institute on Drug Abuse; 2004. Available at: Reports/MDMA/MDMA3.html#effects. Accessed July 12, 2006. http://www.drugabuse.gov/Research
5. Johnston LD, O'Malley PM, Bachman JG, Schulenberg JE. Monitoring the Future National Survey Results on Drug Use, 1975-2003: Volume II, College Students and Adults Ages 19-45. Bethesda, MD: National Institute on Drug Abuse; 2004. NIH Publication 04-5508.