Ingo Ilja Michels, Heino Stöver, Ralf Gerlach
Harm Reduct J. 2007; 4: 5. Published online 2007 February 2. doi: 10.1186/1477-7517-4-5
- PMCID:
- PMC1797169
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Ingo Ilja Michels, Heino Stöver, Ralf Gerlach Harm Reduct J. 2007; 4: 5. Published online 2007 February 2. doi: 10.1186/1477-7517-4-5
Gregory Armstrong, Michelle Kermode, Charan Sharma, Biangtung Langkham, Nick Crofts Harm Reduct J. 2010; 7: 29. Published online 2010 December 1. doi: 10.1186/1477-7517-7-29
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