Böni, J; Bisset, L R; Burckhardt, J J; Joller-Jemelka, H I; Bürgisser, P; Perrin, L; Gorgievski, M; Erb, P; Fierz, W; Piffaretti, J C; Schüpbach, J (2004). Prevalence of human T-cell leukemia virus types I and II in Switzerland. Journal of Medical Virology, 72(2):328-337.
Böni, J; Pyra, H; Gebhardt, M; Perrin, L; Bürgisser, P; Matter, L; Fierz, W; Erb, P; Piffaretti, J C; Minder, E; Grob, P; Burckhardt, J J; Zwahlen, M; Schüpbach, J (1999). High frequency of non-B subtypes in newly diagnosed HIV-1 infections in Switzerland. JAIDS Journal of Acquired Immune Deficiency Syndromes, 22(2):174-179.
Hofmann-Lehmann, Regina; von Beust, B; Niederer, E; Condrau, M A; Fierz, W; Aubert, Andre; Ackley, C D; Cooper, M D; Tompkins, M B; Lutz, Hans (1992). Immunization-induced decrease of the CD4+:CD8+ ratio in cats experimentally infected with feline immunodeficiency virus. Veterinary Immunology and Immunopathology, 35(1-2):199-214.