Alan J. RugglesFrom the Departments of Clinical Studies (Ruggles, Irby, Orsini) and Pathobiology (Saik), University of Pennsylvania, School of Veterinary Medicine, New Bolton Center, Kennett Square, PA 19348.
Nita L. IrbyFrom the Departments of Clinical Studies (Ruggles, Irby, Orsini) and Pathobiology (Saik), University of Pennsylvania, School of Veterinary Medicine, New Bolton Center, Kennett Square, PA 19348.
Judith E. SaikFrom the Departments of Clinical Studies (Ruggles, Irby, Orsini) and Pathobiology (Saik), University of Pennsylvania, School of Veterinary Medicine, New Bolton Center, Kennett Square, PA 19348.
Paul G. OrsiniFrom the Departments of Clinical Studies (Ruggles, Irby, Orsini) and Pathobiology (Saik), University of Pennsylvania, School of Veterinary Medicine, New Bolton Center, Kennett Square, PA 19348.