R. Neil HooperFrom Department of Large Animal Medicine and Surgery, The Texas Veterinary Medical Center, College of Veterinary Medicine, Texas A&M University, College Station, TX 77843-4475.
David L. MorrisFrom Department of Large Animal Medicine and Surgery, The Texas Veterinary Medical Center, College of Veterinary Medicine, Texas A&M University, College Station, TX 77843-4475.
Earl L. MorrisFrom Department of Large Animal Medicine and Surgery, The Texas Veterinary Medical Center, College of Veterinary Medicine, Texas A&M University, College Station, TX 77843-4475.
Tex S. TaylorFrom Department of Large Animal Medicine and Surgery, The Texas Veterinary Medical Center, College of Veterinary Medicine, Texas A&M University, College Station, TX 77843-4475.