title: Influence of rheumatoid factor in coalminers' pneumoconiosis in the Fujian Shaowu colliery, south China.
authors.affiliation: Department of Public Health, Fujian Medical College, People's Republic of China.
authors.forename: Y B
authors.initials: YB
authors.lastname: Yeh
authors.forename: Y R
authors.initials: YR
authors.lastname: Lai
mesh_terms: D000328:Adult; D002681:China; D003032:Coal Mining; D004391:Dust / Q000009:adverse effects; D006801:Humans; D008297:Male; D008875:Middle Aged; D011009:Pneumoconiosis / Q000209:etiology / Q000276:immunology*; D012217:Rheumatoid Factor / Q000032:analysis*; D012822:Silicon Dioxide / Q000009:adverse effects
chemical_list: D004391:Dust; D012822:Silicon Dioxide; D012217:Rheumatoid Factor