TY - CPAPER AU - Hammer JM TI - The temporal relationship of fecal shedding of Lawsonia intracellularis and seroconversion in field cases 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 - 2004 DA - 2004/01/01 L1 - https://www.aasv.org/library/swineinfo/Content/SHAP/2004/v12n1p29.pdf ER -