title: [In vitro B lymphocyte colony formation in normal subjects and patients with rheumatoid arthritis].
mesh_terms: D000328:Adult; D000368:Aged; D001172:Arthritis, Rheumatoid / Q000473:pathology*; D001402:B-Lymphocytes / Q000502:physiology*; D002455:Cell Division; D002478:Cells, Cultured; D005260:Female; D006801:Humans; D007958:Leukocyte Count; D008297:Male; D008875:Middle Aged