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MAP20071022172Michaylov, M.A.Bronchial dysplasia induced by radiation in miners exposed to 222Rn progeny / M.A. Michaylov, D.S. Pressyanov, K.B. KalinovSumario: Objectives: to investigate whether sputum cytology can be used to monitor epithelial cell changes in groups at high risk of lung cancer from exposure to radiation -- Methods: dysplasia of bronchial cells was investigated by means of sputum cytology in a group of 434 underground miners. 100 of them were not exposed, and 334 were exposed to 222Rn progeny at cumulative exposures < 450 working level monthsEn: Occupational and environmental medicine. - London and Margate. - Vol. 52, nº 2, February 1995 ; p. 82-851. Medicina laboral. 2. Enfermedades profesionales. 3. Minería. 4. Radón. 5. Radiaciones. 6. Enfermedades pulmonares. 7. Cáncer. 8. Epidemiología. I. Pressyanov, D.S.. II. Kalinov, K.B.. III. Título. IV. Título: Occupational and environmental medicine.