Brinsko S P, Varner D D, Blanchard T L, Relford R L, Johnson L
College of Veterinary Medicine, Department of Large Animal Medicine and Surgery, Texas A&M University, College Station 77843.
Equine Vet J. 1992 Jul;24(4):325-8. doi: 10.1111/j.2042-3306.1992.tb02846.x.