title: [Diagnosis of pneumoconiosis in coal miners: value of radiography, spirometry and the search for chronic bronchitis].
mesh_terms: D000328:Adult; D001991:Bronchitis / Q000453:epidemiology*; D002677:Chile; D002908:Chronic Disease; D003032:Coal Mining; D006801:Humans; D008297:Male; D008875:Middle Aged; D011009:Pneumoconiosis / Q000453:epidemiology*; D011029:Pneumoradiography; D013147:Spirometry; D013997:Time Factors
vernacular_title: Diagnóstico de la neumoconiósis de los mineros del carbón: valor de la radiografía, la espirometría y la presquisa de bronquítis crónica