TY - CPAPER AU - Qingyun Liu TI - The difference in pathogenic characteristics between PRV variant strains T2 - International Pig Veterinary Society Congress DP - American Association of Swine Veterinarians DB - AASV Swine Information Library UR - https://www.aasv.org/library/swineinfo/ PY - 2018 DA - 2018/06/11 L1 - https://www.aasv.org/library/swineinfo/Content/IPVS/2018/Oral (0095-0259)/0211-Liu_Q.pdf SE - Virology & Viral Diseases (oral) ER -