TY - CPAPER AU - Thomas A. Marsteller, DVM; Greg Armbruster, DVM, MBA; David P. Bane, DVM, PhD; et al. TI - Monitoring the prevalence of Lawsonia intracellularis antibodies using serial sampling in growing and breeding herds T2 - AASV Annual Meeting DP - American Association of Swine Veterinarians DB - AASV Swine Information Library UR - https://www.aasv.org/library/swineinfo/ PY - 2002 DA - 2002/03/02 L1 - https://www.aasv.org/library/swineinfo/Content/AASV/2002/085.PDF ER -