TY - CPAPER AU - Gillespie TG, Carroll AL TI - Methods of control and elimination of porcine reproductive and respiratory syndrome virus using modified live vaccine in a two-site production system T2 - Journal of Swine Health and Production DP - American Association of Swine Veterinarians DB - AASV Swine Information Library UR - https://www.aasv.org/library/swineinfo/ PY - 2003 DA - 2003/01/01 L1 - https://www.aasv.org/library/swineinfo/Content/SHAP/2003/v11n6p291.pdf ER -