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Köppel, C; Knopf, L; Thür, B; Vogt, HR; Meli, ML; Lutz, H; Stark, KDC (2007). Bovine virus diarrhea and the vector-borne diseases Anaplasmosis and Bluetongue: a sero-surveillance in free-ranging red deer (Cervus elaphus) in selected areas of Switzerland. European journal of wildlife research, 53(3), pp. 226-230. Berlin: Springer 10.1007/s10344-006-0074-y
Köppel, C; Knopf, L; Ryser-Degiorgis, Marie-Pierre; Miserez, R; Thür, B; Stärk, KDC (2007). Serosurveillance for selected infectious disease agents in wild boars (Sus scrofa) and outdoor pigs in Switzerland. European journal of wildlife research, 53(3), pp. 212-220. Berlin: Springer 10.1007/s10344-006-0080-0
Knopf, L; Komoin-Oka, C; Betschart, B; Jongejan, F; Gottstein, Bruno; Zinsstag, J (2002). Seasonal epidemiology of ticks and aspects of cowdriosis in N'Dama village cattle in the Central Guinea savannah of Côte d'Ivoire. Preventive veterinary medicine, 53(1-2), pp. 21-30. Elsevier
