An enumeration method of determining the prevalence of users and operatives of cocaine and heroin in Central Harlem
| Autor: | Rees Davis, W. *, Johnson, Bruce D., Randolph, Doris, Liberty, Hilary James |
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| Zdroj: | In Drug and Alcohol Dependence 2003 72(1):45-58 |
| Databáze: | ScienceDirect |
| Externí odkaz: |
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