References
- Grants for research and demonstrations relating to occupational cutaneous hazards and diseases. Fed. Reg. Jan. 31, 1980; 45(22)7004
- Second Annual National Toxicology Program Report, The National Toxicology Program. The National Institutes of Environmental Health Sciences, Research Triangle Park, North Carolina 1982
- Doull J., Casarett L. J. Toxicology2nd ed., J. Doull, C. D. Klaassen, M. O. Amdur. Macmillan, New York 1980