TY - CPAPER AU - A Ruiz, L Batista, C Pijoan TI - Effect of different vaccination protocols in Mycoplasma hyopneumoniae infection 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/HEALTH/334.PDF SE - Posters: Pig Health ER -