Detection of antibodies to porcine reproductive and respiratory syndrome virus (PRRSV) in blended sera or in blood samples collected on filter papers E. Hutet, S. Chevallier, M. Eloit, A. Touratier, P. Blanquefort and E. AlbinaVet. Res., 31 1 (2000) 73-74DOI: https://doi.org/10.1051/vetres:2000023