title: Facultative IgG paraproteinaemia in polyarteritis nodosa.
mesh_terms: D000917:Antibody Formation; D006801:Humans; D007074:Immunoglobulin G / Q000032:analysis*; D008297:Male; D008875:Middle Aged; D010265:Paraproteinemias / Q000209:etiology* / Q000276:immunology; D010488:Polyarteritis Nodosa / Q000150:complications* / Q000276:immunology
chemical_list: D007074:Immunoglobulin G