Meadows Cheyney
Department of Veterinary Preventive Medicine, College of Veterinary Medicine, The Ohio State University, A100W Sisson Hall, 1920 Coffey Road, Columbus, OH 43210, USA.
Vet Clin North Am Food Anim Pract. 2005 Jul;21(2):305-23. doi: 10.1016/j.cvfa.2005.02.001.