title: Beta-2-microglobulin in RA.
mesh_terms: D000328:Adult; D000368:Aged; D001172:Arthritis, Rheumatoid / Q000097:blood*; D001609:Beta-Globulins / Q000032:analysis*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D001613:beta 2-Microglobulin / Q000032:analysis*
chemical_list: D001609:Beta-Globulins; D001613:beta 2-Microglobulin