Emergence of Veterinary Parasitology in the United States: Maurice C. Hall and the Bureau of Animal Industry.
págs. 33-44
The Rise and Fall of "Wonder Drugs": the Story of Antibiotics in Agriculture
págs. 45-53
págs. 53-53
págs. 54-59
págs. 60-62
The Bovine Infectious Abortion Problem: Efforts toward Identification and Control in the United States through 1940
págs. 63-69
págs. 69-69
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