title: Benign essential gammapathy with two paraproteins: IgGgamma-IgGkappa immunochemical characterization.
mesh_terms: D006332:Cardiomegaly / Q000209:etiology; D006801:Humans; D006942:Hypergammaglobulinemia / Q000276:immunology*; D007074:Immunoglobulin G / Q000145:classification*; D008297:Male; D008875:Middle Aged; D010950:Plasma Cells / Q000276:immunology
chemical_list: D007074:Immunoglobulin G