1. Science and science policy applied to SiO2;Ashford,1986
2. Macrophage damage in relation to the pathogenesis of lung diseases;Brain;Environ. Health Perspect.,1980
3. Tumorigenesis and cytotoxicity of silica;Coffin,1986
4. Chronic inhalation exposure of rats to quartz;Dagle,1986
5. Introduction: Purpose of symposium;Doll,1985