title: Mixed connective tissue disease: to be or not to be?
authors.affiliation: Ludwig Boltzmann-Institute for Rheumatology, and University of Vienna, Austria.
authors.forename: J S
authors.initials: JS
authors.lastname: Smolen
authors.forename: G
authors.initials: G
authors.lastname: Steiner
mesh_terms: D003937:Diagnosis, Differential; D006801:Humans; D008285:Major Histocompatibility Complex / Q000235:genetics; D008947:Mixed Connective Tissue Disease / Q000235:genetics / Q000276:immunology / Q000473:pathology; D012261:Ribonucleoproteins / Q000276:immunology; D012698:Serologic Tests
chemical_list: D012261:Ribonucleoproteins