title: Circulating antinuclear and rheumatoid factors in coal miners. A prevalence study in Pennsylvania and West Virginia.
mesh_terms: D000974:Antibodies, Antinuclear / Q000032:analysis*; D002205:Caplan Syndrome / Q000000981:diagnostic imaging / Q000453:epidemiology* / Q000276:immunology; D003032:Coal Mining; D005455:Fluorescent Antibody Technique; D006801:Humans; D008297:Male; D008875:Middle Aged; D010414:Pennsylvania; D011009:Pneumoconiosis / Q000000981:diagnostic imaging / Q000276:immunology*; D011859:Radiography; D012217:Rheumatoid Factor / Q000032:analysis*; D014903:West Virginia
chemical_list: D000974:Antibodies, Antinuclear; D012217:Rheumatoid Factor