title: [Rheumatoid factor producing cells detected by direct hemolytic plaque assay (author's transl)].
mesh_terms: D000328:Adult; D000368:Aged; D001172:Arthritis, Rheumatoid / Q000276:immunology; D001853:Bone Marrow / Q000276:immunology; D005260:Female; D006462:Hemolytic Plaque Technique; D006801:Humans; D008214:Lymphocytes / Q000276:immunology; D012217:Rheumatoid Factor / Q000032:analysis; D013582:Synovial Fluid / Q000276:immunology
chemical_list: D012217:Rheumatoid Factor