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\bibitem{Emmanuelli2004} Emmanuelli, J. (2004). Politique de r{\'e}duction des risques~: programmes d{\textquoteright}{\'e}change de seringues. \textit{M/S : m{\'e}decine sciences : revue internationale des sciences biom{\'e}dicales}, \textit{20}(5; 05/2004), 599--603.

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