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3. Delivering syringe exchange services through “satellite exchangers”: the Sacramento Area Needle Exchange, USA;Anderson;Int. J. Drug Policy,2003
4. Limits and opportunities for autonomous user organisations in Denmark and Sweden;Anker;J. Soc. Sci.,2007
5. National Statement on Ethical Issues for Research Involving Injecting/Illicit Drug Users;Australian Injecting & Illicit Drug Users League (AIVL),2003