Schnackel JA, Van Campen H, van Olphen A. Modified-live bovine viral diarrhea virus (BVDV) type 1a vaccine provides protection against fetal infection after challenge with either type 1b or type 2 BVDV. Bov. pract. [Internet]. 2007 Mar. 1 [cited 2024 Sep. 21];41(1):1-9. Available from: https://bovine-ojs-tamu.tdl.org/bovine/article/view/2868