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Polydrug Use and Implications for Longitudinal Research: Ten-Year Trajectories for Heroin, Cocaine, and Methamphetamine Users
A typical approach to categorizing substance users for epidemiologic purposes or to identify substance use problems at treatment admission is by indicating the primary substance used and/or for which treatment is sought. But does such singular focus on the primary drug limit the validity of conclusi...
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| Hauptverfasser: | , , , |
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| Format: | Artigo |
| Sprache: | Inglês |
| Veröffentlicht: |
2008
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| Schlagworte: | |
| Online Zugang: | https://ncbi.nlm.nih.gov/pmc/articles/PMC3566664/ https://ncbi.nlm.nih.gov/pubmed/18329825 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1016/j.drugalcdep.2008.01.021 |
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