World Association for Buiatrics. “Intenational Congress on Cattle Diseases, Mexico City, August 16-19, 1978: [International Feature]”. The Bovine Practitioner 1978, no. 13 (November 1, 1978): 131–135. Accessed July 17, 2024. https://bovine-ojs-tamu.tdl.org/bovine/article/view/1907.