Bonnie V. BeaverDepartment of Small Animal Medicine and Surgery, College of Veterinary Medicine and Biomedical Science, Texas A&M University, College Station, TX 77843.
Hazel CarneyFour Rivers Veterinary Clinic, 2280 SW 4th Ave, Ontario, Ore 97914, West Vet Emergency and Referral Center, 5019 N Sawyer, Garden City, ID 83714.