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==References==
==References==
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Blowey, R. (2008) '''Cattle Lameness and Hoofcare'''. 2nd edition. Old Pond Publishing Ltd.
Hanna, P., Lofstedt, J., Duivenvoorden, P (1994) '''Papillomatous digital dermatitis in a Canadian dairy herd'''. ''Canadian Veterinary Journal'', 35(10):657; 2.
Hanna, P., Lofstedt, J., Duivenvoorden, P (1994) '''Papillomatous digital dermatitis in a Canadian dairy herd'''. ''Canadian Veterinary Journal'', 35(10):657; 2.