References
- Radeleff R. D. Bovine Medicine and Surgery1st ed., W. J. Gibbons, E. J. Catcott, J. F. Smithcars. American Veterinary Publications, Inc., Wheaton, Illinois 1970; 271–283
- MacDougall D. Farm Chem. 1966; 129: 56
- Durham W. F., Wolfe H. R. Bull. World Health Org. 1962; 26: 75
- Batchelor G. S., Walker K. C. A. M. A. Arch. Ind. Hyg. & Occup. Med. 1954; 10: 522
- Hartwell W. V., Hayes G. R. Arch. Environ. Health 1965; 11: 564
- Gaines T. B. Toxicol. Appl. Pharm. 1960; 2: 88