“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, no. 1 (February 1, 2013): 22–23. Accessed November 22, 2024. https://bovine-ojs-tamu.tdl.org/bovine/article/view/188.