Media type: E-Article Title: Regulatory T cells: Folate receptor 4: a new handle on regulation and memory? Contributor: Walker, Lucy S K Published: Wiley, 2007 Published in: Immunology & Cell Biology, 85 (2007) 7, Seite 506-507 Language: English DOI: 10.1038/sj.icb.7100115 ISSN: 0818-9641; 1440-1711 Origination: Footnote: