title: Diagnostic and activity criteria of rheumatoid arthritis evaluated with factor analysis.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001172:Arthritis, Rheumatoid / Q000175:diagnosis*; D001799:Blood Sedimentation; D005163:Factor Analysis, Statistical; D005189:False Positive Reactions; D005260:Female; D006400:Hematocrit; D006801:Humans; D008297:Male; D008875:Middle Aged; D010146:Pain; D012075:Remission, Spontaneous; D012215:Rheumatic Nodule; D012217:Rheumatoid Factor / Q000097:blood; D012698:Serologic Tests
chemical_list: D012217:Rheumatoid Factor