TY - CPAPER AU - William T. Christianson, DVM, PhD TI - PMWS--Causes and Risk Factors Reconsidered T2 - ISU Swine Disease Conference for Swine Practitioners DP - American Association of Swine Veterinarians DB - AASV Swine Information Library UR - https://www.aasv.org/library/swineinfo/ PY - 2003 DA - 2003/11/01 L1 - https://www.aasv.org/library/swineinfo/Content/ISU/2003/170.pdf ER -