TY - GEN AU - Jakle,C AU - Feigal,D W AU - Robbins,D L AU - Shapiro,R AU - Wiesner,K TI - Serum IgG and IgM rheumatoid factors and complement activation in extraarticular rheumatoid disease SN - 0315-162X PY - 1985///1022 KW - Arthritis, Rheumatoid KW - blood KW - Complement Activation KW - Humans KW - Immunoglobulin G KW - analysis KW - Immunoglobulin M KW - Osmolar Concentration KW - Rheumatic Diseases KW - Rheumatoid Factor N1 - Publication Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S ER -