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\bibitem{Stamm2003} Stamm, R. (2003). Etat actuel et futur de QuaTh{\'e}DA. In \textit{Symposium QuaTheDA 2003 : Satisfaction des client-e-s} (2). Berne: Office f{\'e}d{\'e}ral de la sant{\'e} publique (OFSP).

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