Zimmerman, A. D., Klein, A. L., Buterbaugh, R. E., Hartman, B., Rinehart, C. L., & Chase, C. C. L. (2013). Vaccination with a multivalent modified-live virus vaccine administered one year prior to challenge with bovine viral diarrhea virus type 1b and 2a in pregnant heifers. The Bovine Practitioner, 47(1), 22–23. https://doi.org/10.21423/bovine-vol47no1p22-23