Swiderski C E, Klei T R, Folsom R W, Pourciau S S, Chapman A, Chapman M R, Moore R M, McClure J R, Taylor H W, Horohov D W
Department of Veterinary Microbiology and Parasitology, School of Veterinary Medicine, Louisiana State University, Baton Rouge 70803, USA.
Adv Vet Med. 1999;41:389-404. doi: 10.1016/s0065-3519(99)80029-9.