Lowry Toby, Smith Stephen A
Aquatic Medicine Laboratory, Department of Biomedical Sciences and Pathobiology, Virginia-Maryland Regional College of Veterinary Medicine, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061-0442, USA.
J Am Vet Med Assoc. 2007 Sep 15;231(6):876-80. doi: 10.2460/javma.231.6.876.