title: IgG monoclonal gammopathy in four patients with polymyalgia rheumatica.
mesh_terms: D000368:Aged; D000818:Animals; D005260:Female; D006801:Humans; D006942:Hypergammaglobulinemia / Q000150:complications*; D007074:Immunoglobulin G / Q000276:immunology*; D008297:Male; D051379:Mice; D011111:Polymyalgia Rheumatica / Q000150:complications*
chemical_list: D007074:Immunoglobulin G