TY - CPAPER AU - Labarque, G.; S. Van Gucht, K. Van Reeth, C. Drexler, H. Nauwynck, M. Pensaert TI - HOW THE GENETIC DIVERSITY OF EUROPEAN-TYPE PRRS VIRUS STRAINS INFLUENCES THE VACCINE EFFICACY 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 - 2004 DA - 2004/06/01 L1 - https://www.aasv.org/library/swineinfo/Content/IPVS/2004/1687.pdf SE - 7. Practitioner's Line ER -