1. Jervis, G. A., in Amino Acid Metabolism and Genetic Variation (edit. by Nyhan, W. L.), 5 (McGrawHill, New York, 1967).
2. Henderson, C., Johnson, W., and Inglis, A., Pesticides Monit. J., 5, 1 (1971).
3. Mehrle, P. M., Stalling, D. L., and Bloomfield, R. A., Comp. Biochem. Physiol., 38B, 373 (1971).
4. Tocci, P. M., Mann, J. B., Davies, J. E., and Edmundson, W. F., Indust. Med. Surg., 58, 188 (1969).
5. Davies, J. E., Mann, J. B., and Tocci, P. M., Ann. NY Acad. Sci., 160, 323 (1969).