1. Proliferation of pulmonary alveolar type II cells in rats exposed to high concentrations of diesel exhaust (DE);Chen;Toxicologist,1983
2. Early changes in the chemical composition of the rat lung after silica administration;Chvapil;Arch. Environ. Health,1979
3. The Subchronic Inhalation Toxicology of Chrysotile Asbestos;Clayton,1985
4. Carter, D. E., Personal communication.
5. Carter, D. E., Snider, B. J., and Zhang, J. (1987). Personal communication.