Author Affiliations +
A. M. Fedynich,1 D. B. Pence,1 R. D. Godfrey Jr.2
1Department of Pathology, Texas Tech University Health Sciences Center, 3601 4th Street, Lubbock, Texas 79430, USA
2U.S. Fish and Wildlife Service, McFaddin National Wildlife Refuge, Box 609, Sabine Pass, Texas 77655, USA