1. The immune response of horses to tetanus toxoid;Jansen;Onderstepoort J. Vet. Res.,1979
2. [2] Code of Federal Regulations, Title 9, Part 113, Section 451.
3. [3] Supplemental Assay Method 217, USDA, APHIS, CVB-L, Biologics Bacteriology Section, P.O. Box 844, Ames, IA 50010.
4. [4] Van Deusen, R.A. and Whetstone, C.A. (1981) AAVLD 24th Annual Proceedings, 211â228.
5. [5] Ranger, C.R. and Brown, G.M., Horseradish Peroxidase Conjugated Antiserum, NVSL, P.O. Box 844, Ames, IA 50010.