TY - CPAPER AU - S.A. Dee TI - Transmission of porcine reproductive and respiratory syndrome virus from persistently infected sows to contact controls 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/2002/301.PDF ER -