Monitoring of PRRSV infection status in swine herds based on analysis of antibodies in meat sample drippings S. Mortensen, B. Strandbygaard, A. Bøtner, N. Feld and P. WillebergVet. Res., 31 1 (2000) 74-75DOI: https://doi.org/10.1051/vetres:2000033