Toxicological
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Long-term reactivity of lung and mediastinal lymph nodes following intratracheal instillation of sandy loam soil of Mount St. Helens volcanic ash
, Environmental Research, 32, 188-198, 10.1016/0013-9351(83)90205-0
, - (1982),
Pulmonary toxicity of Mount St. Helens volcanic ash
, Environmental Research, 27, 118-135, 10.1016/0013-9351(82)90063-9
,