title: [Etiology of rheumatic diseases].
authors.forename: K
authors.initials: K
authors.lastname: Ito
mesh_terms: D000818:Animals; D001172:Arthritis, Rheumatoid / Q000209:etiology*; D006680:HLA Antigens; D006801:Humans; D014409:Tumor Necrosis Factor-alpha; D014780:Viruses
chemical_list: D006680:HLA Antigens; D014409:Tumor Necrosis Factor-alpha