Extasy Harm Reduction Program
Drogová poradna
Drogový informační server
www.drogy-info.cz
www.talktofrank.com
Europe Monitoring Center for Drug and Drug Abuse
International Harm reduction Association
World Health Organisation Programme on Substance Abuse
National Drugs Helpline
Dance Safe
ExtasyData
ChEck iT!
The National Organization for the Reform of Marihuna Law
The Drug Reform Coordination Network
Marijuana and Medicine Assesing the Science Base