Communicable diseases in animals -- Congresses. / https://id.loc.gov/authorities/subjects/sh85029021 https://id.loc.gov/authorities/subjects/sh99001533 : North American Symposium on Bovine Respiratory Disease
Communicable diseases in animals -- Prevention -- Congresses. / https://id.loc.gov/authorities/subjects/sh85029021 https://id.loc.gov/authorities/subjects/sh99002416 https://id.loc.gov/authorities/subjects/sh99001533 : North American Symposium on Bovine Respiratory Disease