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Müller, V; Ledergerber, B; Perrin, L; Klimkait, T; Furrer, H; Telenti, A; Bernasconi, E; Vernazza, P; Günthard, HF; Bonhoeffer, S; Swiss, HIV Cohort Study (2006). Stable virulence levels in the HIV epidemic of Switzerland over two decades. AIDS, 20(6), pp. 889-94. Hagerstown, Md.: Lippincott Williams & Wilkins
