TY - CPAPER AU - Petersen, H.H.; I.A. Gardner, J.P. Nielsen, E.O. Nielsen TI - ESTIMATING PREVALENCE OF CLINICAL SIGNS 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/2004/300.pdf SE - 1.8. Measuring Health ER -