title: Igm monoclonal gammopathy and oral lupus erythematosus-a case report.
mesh_terms: D000368:Aged; D003937:Diagnosis, Differential; D006801:Humans; D006942:Hypergammaglobulinemia / Q000150:complications*; D007075:Immunoglobulin M; D008010:Lichen Planus / Q000473:pathology; D008179:Lupus Erythematosus, Discoid / Q000150:complications* / Q000473:pathology; D008297:Male; D009059:Mouth Diseases / Q000150:complications* / Q000473:pathology
chemical_list: D007075:Immunoglobulin M