42 Medical care and scientific and industrial research in the fields of immune diseases, autoimmune disease (namely autoreactivity directed against host proteins and antigens), autosensibilization, autoimmunity, autoimmunopathies, autoaggression, HLA system, autoantigens, antoantibodies, autoreactive/autoimmune cells, cytokines, antibodies, B cells, T cells, antigen presenting cells, antigen-antybody reaction of antoantigen and specific autoantybody, association of host proteins with haptens rheumatoid arthritis, immunoparamenters of rheumatoid arthritis, excluding immunocytomas