1. AN EXAMINATION OF THE CYTOTOXIC EFFECTS OF SILICA ON MACROPHAGES
2. Lysosomes and the Toxicity of Particulate Pollutants
3. Surface characterization of various silicas
4. Dalal, N. S., Suryan, M. M., Jafari, B., Shi, X., Vallyathan, V. and Green, F. H. Y. Electron spin resonance detection of reactive free radicals in fresh coal dust and quartz dusts and its implications to pneumoconiosis and silicosis. Proc. Int. Symp. Respirable Dusts in the Mineral Industry. pp.24–29. University Park, Pa.: Pennsylvania State University.