P. J. Burton

The activity of a combination of penicillin and novobiocin against bovine mastitis pathogens: development of a disk diffusion test.

J. Watts, C. Thornsberry, Y. Yee, 1997, Journal of dairy science.

Interpretive Criteria for Antimicrobial Susceptibility Testing of Ceftiofur against Bacteria Associated with Swine Respiratory Disease

J. Watts, C. Thornsberry, Y. Yee, 1996, Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc.