Pires, Alda F. A., Bruce R. Hoar, William M. Sischo, and Steven C. Olsen. “Serological Response to Administration of Brucella Abortus Strain RB51 Vaccine in Beef and Dairy Heifers, Using Needle-Free and Standard Needle-Based Injection Systems”. The Bovine Practitioner 45, no. 2 (June 1, 2011): 102–107. Accessed August 26, 2024. https://bovine-ojs-tamu.tdl.org/bovine/article/view/2781.