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\bibitem{Blakeney+Blakeney2004} Blakeney, R. F., \& Blakeney, C. D. (2004). \textit{Defining useful science : an evaluation of the SFOPH collective expertise in secondary prevention, 2003-2004 : a report to the Prevention unit of the Dependency and AIDS Division, Swiss Federal Office of Public Health}. Fribourg: Universit{\"a}t Fribourg, Departement Erziehungswissenschaften; Institute for Clinical Developmental Psychology.

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