title: [Rheumatoid arthritis (RA) and systemic lupus erythematosus(SLE)].
authors.forename: Marten
authors.initials: M
authors.lastname: Trendelenburg
authors.forename: Jürg
authors.initials: J
authors.lastname: Schifferli
mesh_terms: D001172:Arthritis, Rheumatoid / Q000175:diagnosis* / Q000628:therapy*; D003937:Diagnosis, Differential; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000175:diagnosis* / Q000628:therapy*