TY - CPAPER AU - Alfredo Sahagun-Ruiz TI - New variants of R1 and R2 of P97 of M. hyopneumoniae field strains from 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/479.pdf SE - Bacteriology -- Mycoplasma spp. ER -