Hendrix Charles M, Thompson Isabelle, Pitts John L, McClelland Catherine L, Pence Paige A
Department of Pathobiology, College of Veterinary Medicine, Auburn University, AL 36849-5519, USA.
J Vet Med Educ. 2003 Spring;30(1):78-80. doi: 10.3138/jvme.30.1.78.