Cowgill Elizabeth S, Neel Jennifer A, Ruslander David
Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, Raleigh, NC 27606, USA.
J Vet Intern Med. 2004 Jan-Feb;18(1):119-21. doi: 10.1892/0891-6640(2004)18<119:lmiad>2.0.co;2.