Author Affiliations +
KEITH A. CLARK,1 R. M. ROBINSON,1 R. G. MARBURGER,2 L. P. JONES,3 JOHN H. ORCHARD4
1Department of Veterinary Pathology, Texas A&M University, College Station, Texas
2Texas Parks and Wildlife Department, Kerrville, Texas
3Texas Veterinary Medical Diagnostic Laboratory, College Station, Texas
4Kingsville, Texas