TY - CPAPER AU - Suraphan Boonyawatana TI - Genetic evolution of PRRSV in pigs vaccinated with modified live PRRSV vaccines of type I in comparison to type II in Thailand. 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 - 2014 DA - 2014/06/01 L1 - https://www.aasv.org/library/swineinfo/Content/IPVS/2014/Posters/097.pdf SE - Virology -- PRRSV ER -