Rothbauer, D. L., E. C. Buchner, and S. J. Wells. “Effect of Vaccination With E. Coli on the Incidence of Acute Mastitis”. The Bovine Practitioner, no. 23 (November 1, 1988): 112–115. Accessed October 9, 2024. https://bovine-ojs-tamu.tdl.org/bovine/article/view/1437.