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MAP20071019993Pulmonary dust retention in a silicon carbide worker / A. Dufresne... [et al.]Sumario: This paper reports on pulmonary dust retention in a man who worked 42 years in the vicinity of an Acheson furnace of a silicon carbide plant and had a carborundum pneumoconiosis. Special attention is paid to the retained silicon carbide fibers in the lung parenchyma. These fibers have a similar morphology to fibers observed in the working environment. The results is compared to pulmonary retention of workers exposed to asbestosEn: American Industrial Hygiene Association journal. - Fairfax, Virginia. - Vol. 54, nº 6, June 1993 ; p. 327-3301. Medicina laboral. 2. Enfermedades profesionales. 3. Enfermedades pulmonares. 4. Higiene industrial. 5. Contaminantes químicos. 6. Carburo de silicio. 7. Fibras. I. Dufresne, A.. II. Title. III. Título: American Industrial Hygiene Association journal.