title: Hyperviscosity syndrome complicating rheumatoid arthritis: report of two additional cases and review of the literature.
mesh_terms: D000328:Adult; D000936:Antigen-Antibody Complex / Q000032:analysis; D001172:Arthritis, Rheumatoid / Q000097:blood* / Q000276:immunology; D001809:Blood Viscosity; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010979:Platelet Function Tests; D012217:Rheumatoid Factor / Q000032:analysis; D012882:Skin Tests
chemical_list: D000936:Antigen-Antibody Complex; D012217:Rheumatoid Factor