title: The influence of drug therapy on serum immunoglobulin profiles in rheumatoid arthritis.
mesh_terms: D001172:Arthritis, Rheumatoid / Q000188:drug therapy / Q000276:immunology*; D006801:Humans; D007136:Immunoglobulins / Q000378:metabolism*; D010396:Penicillamine / Q000627:therapeutic use*
chemical_list: D007136:Immunoglobulins; D010396:Penicillamine