A Comparison of serological responses when modified-live infectious bovine rhinotracheitis virus vaccine, Mannheimia haemolytica bacterin-toxoid and Leptospira pomona bacterin are administered with needle-free versus conventional needle-based injection in Holstein dairy calves. Bov. pract. [Internet]. 2005 Jun. 1 [cited 2024 Nov. 22];39(2):110-4. Available from: https://bovine-ojs-tamu.tdl.org/bovine/article/view/1741