TY - CPAPER AU - Chris Olsen TI - The recent emergence of novel strains of influenza A viruses among pigs in North America 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 - 2002 DA - 2002/06/01 L1 - https://www.aasv.org/library/swineinfo/Content/IPVS/2002/SPEAKERS/011.PDF SE - Invited Speakers ER -