TY - CPAPER AU - Dorr PM, Gebreyes WA, Almond GW TI - Porcine reproductive and respiratory syndrome virus: Age and management system disease modeling for pathogenic co-infection 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 - 2007 DA - 2007/09/01 L1 - https://www.aasv.org/library/swineinfo/Content/SHAP/2007/v15n5p258.pdf SE - Sep-Oct ER -