title: Rheumatoid pneumoconiosis. Documentation of onset and pathogenic considerations.
mesh_terms: D000368:Aged; D001172:Arthritis, Rheumatoid / Q000150:complications / Q000453:epidemiology; D002205:Caplan Syndrome / Q000000981:diagnostic imaging / Q000453:epidemiology / Q000209:etiology*; D003032:Coal Mining; D003604:Czechoslovakia; D004781:Environmental Exposure; D005860:Germany, West; D006801:Humans; D008297:Male; D008875:Middle Aged; D009784:Occupational Diseases / Q000453:epidemiology*; D011859:Radiography; D012217:Rheumatoid Factor / Q000032:analysis; D012822:Silicon Dioxide; D012829:Silicosis / Q000150:complications; D012830:Silicotuberculosis / Q000453:epidemiology; D014852:Wales
chemical_list: D012822:Silicon Dioxide; D012217:Rheumatoid Factor