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\bibitem{Annan_etal2013} Annan, K., Arbour, L., B{\'e}m, P., Branson, R., Cardoso, F. H., Cattaui, M., et al. (2013). \textit{The negative impact of the war on drugs on public health : the hidden hepatitis C epidemic}. Rio de Janeiro: Global Commission on Drug Policy (GCDP).

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