TY - CPAPER AU - M.D. Bierk, S.A. Dee, K.D. Rossow, M.I .Guedes, and T.W. Molitor TI - A diagnostic investigation of porcine reproductive and respiratory syndrome virus persistence in a swine breeding herd T2 - AASV Annual Meeting DP - American Association of Swine Veterinarians DB - AASV Swine Information Library UR - https://www.aasv.org/library/swineinfo/ PY - 2000 DA - 2000/03/02 L1 - https://www.aasv.org/library/swineinfo/Content/AASV/2000/403.PDF ER -