TY - CPAPER AU - Beckler DC, Segal MU, Weiss DL, et al TI - Virginiamycin: Lack of interference with Lawsonia intracellularis immunization 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 - 2013 DA - 2013/09/01 L1 - https://www.aasv.org/library/swineinfo/Content/SHAP/2013/v21n5p253.pdf SE - Sep-Oct ER -