title: [Defective IgM antibody formation in rheumatoid arthritis].
mesh_terms: D000818:Animals; D000917:Antibody Formation; D001172:Arthritis, Rheumatoid / Q000276:immunology*; D002002:Brucella / Q000276:immunology; D003238:Connective Tissue / Q000276:immunology; D003239:Connective Tissue Cells; D005500:Follow-Up Studies; D006433:Hemocyanins; D006801:Humans; D007136:Immunoglobulins; D012217:Rheumatoid Factor; D012756:Sheep
chemical_list: D007136:Immunoglobulins; D012217:Rheumatoid Factor; D006433:Hemocyanins
vernacular_title: Defekte IgM-Antikörperbildung in Patienten mit rheumatoider Arthritis.