References Authors Price, E. W. Henderson, W. J. Category Non-respiratory diseases Soils and fibrous minerals Sub-Category Toxicological Year 1978 Publication Transactions of the Royal Society of Tropical Medicine and Hygiene Volume, Issue, Pages 72(2), 132-136 DOI 10.1016/0035-9203(78)90048-2 URL https://academic.oup.com/trstmh/article-abstract/72/2/132/1873890 Country/Overseas territory Ethiopia