title: Serum immunoglobulins in rheumatoid arthritis.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001172:Arthritis, Rheumatoid / Q000276:immunology*; D001799:Blood Sedimentation; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D066298:In Vitro Techniques; D008297:Male; D008875:Middle Aged; D005719:gamma-Globulins
chemical_list: D005719:gamma-Globulins