NIOSH

Epidemiological, clinical & surveillance, Toxicological

• Bernstein, R. S., McCawley, M. A., Attfield, M. D., Green, F. H. Y., Olenchock, S. A., Dollberg, D. D., (1981), Evaluation of the potential pulmonary hazards of breathing-zone exposures to Mount St. Helens volcanic ash in loggers: the results of short-term toxicological, environmental and epidemiological studies, NIOSH, Na.