TY - CPAPER AU - Tanja Opriessnig, Dr Med Vet, PhD; Patrick G. Halbur, DVM, MS, PhD TI - Porcine Circovirus Type 2—Importance of Genetic Shifts in Relationship to Pathogenicity T2 - ISU Swine Disease Conference for Swine Practitioners DP - American Association of Swine Veterinarians DB - AASV Swine Information Library UR - https://www.aasv.org/library/swineinfo/ PY - 2013 DA - 2013/11/01 L1 - https://www.aasv.org/library/swineinfo/Content/ISU/2013/030.pdf ER -