title: Mixed connective tissue disease.
mesh_terms: D003238:Connective Tissue / Q000276:immunology; D003937:Diagnosis, Differential; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000175:diagnosis*; D012261:Ribonucleoproteins / Q000276:immunology; D009626:Terminology as Topic
chemical_list: D012261:Ribonucleoproteins