title: [Mixed connective tissue disease -- thirty three years of uncertainty].
authors.forename: J
authors.initials: J
authors.lastname: George
authors.forename: Y
authors.initials: Y
authors.lastname: Levy
authors.forename: Y
authors.initials: Y
authors.lastname: Shoenfeld
mesh_terms: D003240:Connective Tissue Diseases / Q000145:classification* / Q000175:diagnosis / Q000628:therapy; D003937:Diagnosis, Differential; D006801:Humans