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Kunin CM, Minuse E. The isolation in tissue culture, chick embryo and suckling mice of filtrable agents from healthy dairy cattle. J. Immunol. 80: 1-11, 1958. PubMed: 13514066

Taylor MW, et al. Bovine enterovirus-1: characterization, replication and cytopathogenic effects. J. Gen. Virol. 23: 173-178, 1974. PubMed: 4364878

Chemical disinfectants and antiseptics --- Quantitative suspension test for the evaluation of virucidal activity of chemical disinfectants and antiseptics used in the veterinary field --- Test method and requirements (phase 2, step 1). London, UK:British Standards Institution;British Standard BS EN 14675:2006.

Chemical disinfectants and antiseptics --- Application of European Standards for chemical disinfectants and antiseptics. London, UK:British Standards Institution;British Standard BS EN 14885:2006.