An elaboration of small opacity types (p, m, and n) in simple pneumoconiosis

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RESUMO

Lindars, D. C. (1971).Brit. J. industr. Med.,28, 131-142. An elaboration of small opacity types (p, m, and n) in simple pneumoconiosis. According to the I.L.O. classification (International Labour Office, 1959), radiographs showing pneumoconiosis may be classified as p, m or n according to the greatest diameter of predominant (small) opacities. Recent work has revealed pathological and physiological differences associated with these appearances.

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