title: Analysis of anti-U1 RNA antibodies in patients with connective tissue diseases: comment on the article by Hoffman et al.
authors.forename: F H
authors.initials: FH
authors.lastname: van den Hoogen
authors.forename: A M
authors.initials: AM
authors.lastname: Boerbooms
authors.forename: L B
authors.initials: LB
authors.lastname: van de Putte
mesh_terms: D000888:Antibodies, Anti-Idiotypic / Q000032:analysis*; D003240:Connective Tissue Diseases / Q000276:immunology*; D006801:Humans; D012342:RNA, Small Nuclear / Q000276:immunology*
chemical_list: D000888:Antibodies, Anti-Idiotypic; D012342:RNA, Small Nuclear