Respiratory tuberculosis and pneumoconiosis in slate workers.
D000293:Adolescent; D000328:Adult; D000368:Aged; D004781:Environmental Exposure; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies; D012829:Silicosis / Q000150:complications*; D012830:Silicotuberculosis; D014397:Tuberculosis, Pulmonary / Q000209:etiology*; D014852:Wales