Cytopathic bovine viral diarrhea viruses (BVDV): emerging pestiviruses doomed to extinctionErnst Peterhans, Claudia Bachofen, Hanspeter Stalder and Matthias SchweizerVet. Res., 41 6 (2010) 44DOI: https://doi.org/10.1051/vetres/2010016