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Author  |
Title | Year | Publication | Volume | Pages |
|---|---|---|---|---|---|
| Bauer, Georg; Cassis, Ignazio; Gutzwiller, Felix; Somaini, Bertino; Stutz Steiger, Therese; Twisselmann, Wiebke; Zimmermann, Erwin | HIV-prevention in Switzerland : targets, strategies, interventions : short version | 1993 | 56 |