TY - CPAPER AU - Marie Gramer, DVM TI - Swine Influenza Virus Antigenic Drift -- Impacts on Control Strategies 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 - 2005 DA - 2005/11/01 L1 - https://www.aasv.org/library/swineinfo/Content/ISU/2005/09Gramer.pdf ER -