title: Giant cell arteritis associated with mononeuritis multiplex and complement-activating 19S IgM rheumatoid factor.
mesh_terms: D001172:Arthritis, Rheumatoid / Q000150:complications* / Q000276:immunology; D002205:Caplan Syndrome / Q000175:diagnosis; D003167:Complement Activation; D013700:Giant Cell Arteritis / Q000150:complications* / Q000276:immunology; D006801:Humans; D007075:Immunoglobulin M / Q000032:analysis; D012217:Rheumatoid Factor / Q000032:analysis*
chemical_list: D007075:Immunoglobulin M; D012217:Rheumatoid Factor