TY - CPAPER AU - Ripley, P. H.; U. Klein , A. Mars ,G.Merialdi, P. Bonilauri & M. Kessler TI - TRENDS IN RESISTANCE PATTERNS OF BRACHYSPIRA PILOSICOLI TO VALNEMULIN (ECONOR() IN EUROPE AND USA 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/2004/420.pdf SE - 1.7. Antibiotic Substances (Efficacy and Resistance) ER -