TY - CPAPER AU - Silvia Zimmerman TI - PRRSV surveillance in an "expected negative" herd in Mexico. 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/586.pdf SE - Inmunology/Vaccines/Diagnosis -- Immune response and immunity ER -