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Author  |
Title | Year | Publication | Volume | Pages |
|---|---|---|---|---|---|
| Uchtenhagen, Ambros; Gutzwiller, Felix; Dobler-Mikola, Anja; Steffen, Thomas; Rihs-Middel, Margret | Prescription of narcotics for heroin addicts : main results of the Swiss national cohort study | 1999 | viii, 134 |