Lischke, T., Hegemann, A., Gurka, S., Van, D. V., Burmeister, Y., Lam, K.-P., Kershaw, O., Mollenkopf, H.-J., Mages, H. W., Hutloff, A., & Kroczek, R. A. (2012). Comprehensive Analysis of CD4(+) T Cells in the Decision between Tolerance and Immunity In Vivo Reveals a Pivotal Role for ICOS. Journal of Immunology, 189(1), 234-244. doi:10.4049/jimmunol.1102034.