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Kupper, J; Rentsch, K; Mittelholzer, A; Artho, R; Meyer, S; Kupferschmidt, H; Naegeli, H (2010). A fatal case of autumn crocus (Colchicum autumnale) poisoning in a heifer: confirmation by mass-spectrometric colchicine detection. Journal of Veterinary Diagnostic Investigation, 22(1):119-122.
Kupper, J; Schumann, M; Wennig, R; Gorber, U; Mittelholzer, A; Artho, R; Meyer, S; Kupferschmidt, H; Naegeli, H (2008). Cyanide poisoning associated with the feeding of apricot kernels to dairy cattle. Veterinary Record, 162(15):488-489.
Artho, R; Schnyder, M; Kohler, L; Torgerson, P R; Hertzberg, H (2007). Avermectin-resistance in gastrointestinal nematodes of Boer goats and Dorper sheep in Switzerland. Veterinary Parasitology, 144(1-2):68-73.