Media type: E-Article Title: Helios+ FoxP3+ naturally occurring regulatory T cells are peripherally expanded in active systemic lupus erythematosus Contributor: Alexander, Tobias; Templin, Lars; Kohler, Siegfried; Groß, Christian; Sattler, Arne; Meisel, Andreas; Burmester, Gerd-Rüdiger; Radbruch, Andreas; Thiel, Andreas; Hiepe, Falk imprint: BMJ, 2012 Published in: Annals of the Rheumatic Diseases Language: English DOI: 10.1136/annrheumdis-2011-201234.23 ISSN: 0003-4967; 1468-2060 Keywords: General Biochemistry, Genetics and Molecular Biology ; Immunology ; Immunology and Allergy ; Rheumatology Origination: Footnote: