title: A NEW SERUM FACTOR IN PATIENTS WITH RHEUMATOID ARTHRITIS; THE ANTIPERINUCLEAR FACTOR.
mesh_terms: D000293:Adolescent; D000974:Antibodies, Antinuclear; D001172:Arthritis, Rheumatoid; D001323:Autoantibodies; D005455:Fluorescent Antibody Technique; D005853:Geriatrics; D006801:Humans; D008180:Lupus Erythematosus, Systemic
chemical_list: D000974:Antibodies, Antinuclear; D001323:Autoantibodies; C030902:antiperinuclear factor
keywords: ADOLESCENCE; ARTHRITIS, RHEUMATOID; AUTOANTIBODIES; FLUORESCENT ANTIBODY TECHNIC; GERIATRICS; LUPUS ERYTHEMATOSUS, SYSTEMIC