TY - CPAPER AU - Jorsal, SE, Bille-Hansen, V, Vigre, H, Larsen, PB, Bøtner, A, Nielsen, EO, Enøe, C, Bækbo, P TI - PMWS - LABORATORY DIAGNOSIS ON HERD AND PIG LEVEL IN A DANISH CASE-CONTROL STUDY 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 - 2006 DA - 2006/06/01 L1 - https://www.aasv.org/library/swineinfo/Content/IPVS/2006/VIRAL/O_56-02.pdf SE - Major viral infections: PMWS/PCV2 biology ER -