Eric L. StairFrom the Oklahoma Animal Disease Diagnostic Laboratory, Oklahoma State University, Stillwater, OK 74076 (Stair, Whitenack), and the Boren Veterinary Medical Teaching Hospital, Department of Medicine and Surgery, Oklahoma State University, Stillwater, OK 74078 (Kirkpatrick).
John G. KirkpatrickFrom the Oklahoma Animal Disease Diagnostic Laboratory, Oklahoma State University, Stillwater, OK 74076 (Stair, Whitenack), and the Boren Veterinary Medical Teaching Hospital, Department of Medicine and Surgery, Oklahoma State University, Stillwater, OK 74078 (Kirkpatrick).
Delbert L. WhitenackFrom the Oklahoma Animal Disease Diagnostic Laboratory, Oklahoma State University, Stillwater, OK 74076 (Stair, Whitenack), and the Boren Veterinary Medical Teaching Hospital, Department of Medicine and Surgery, Oklahoma State University, Stillwater, OK 74078 (Kirkpatrick).