Toxicological

• Martin, T. R., Chi, E. Y., Covert, D. S., Hodson, W. A., Kessler, D. E., Moore, W. E., Altman, L. C., Butler, J., (1983), Comparative effects of inhaled volcanic ash and quartz in rats, American Review of Respiratory Disease, 128(1), 144-152., 10.1164/arrd.1983.128.1.144