Brandt, Aric W., Michael W. Sanderson, Brad D. DeGroot, and Daniel U. Thomson. 2007. “Feedyard Manager and Veterinarian Responses to a Delphi-Like Feedyard Biosecurity Survey”. The Bovine Practitioner 41 (2):77-83. https://doi.org/10.21423/bovine-vol41no2p77-83.