“Efficacy of a Combination Modified-Live IBR-BVD-PI3- BRSV Vaccine + Mannheimia Haemolytica Toxoid Against Challenge With Virulent Bovine Respiratory Syncytial Virus (BRSV) in Young Calves 60 Days of Age”. The Bovine Practitioner 55, no. 1 (February 1, 2021): 13–19. Accessed November 21, 2024. https://bovine-ojs-tamu.tdl.org/bovine/article/view/8195.