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Citation: V. Ajdacic-gross et al., How complete is AIDS surveillance in Europe? An eagle eye comparison with mortality data, J EPIDEM C, 55(1), 2001, pp. 52-56

Authors: Eich-Hochli, D Niklowitz, M Eich, P Zellweger, U Opravil, M

Citation: D. Eich-hochli et al., Predictors of sexual risk behavior in HIV-infected persons, NERVENARZT, 72(3), 2001, pp. 216-223

Authors: Woolley, S Zellweger, U

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