Miller, M.M., O’Toole, D., Cavender, J.L., Cornish, T.E., Dawson, T.G., Smylie, J.M., Fox, J.H., Hill, K.L., Montgomery, D.L., Vazquez, M. and Schumaker, B.A. 2013. Vaccine associated mucosal disease case study: Demonstrating the importance of subsequent herd PI testing. The Bovine Practitioner. 47, 2 (Jun. 2013), 84–93. DOI:https://doi.org/10.21423/bovine-vol47no2p84-93.