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Döpfer, D.; Koopmans, A.; Meijer, F. A.; Schukken, Y. H.; Brand, A.; Klee, Wolfgang; Cornelisse, J. L. (1994): Epidemiological investigations of digital dermatitis in dutch dairy cattle. Eighth Symposium on Disorders of the Ruminant Digit and International Conference on Bovine Lameness, 1994, Banff, Canada. [PDF, 409kB]