W. Łuczynski, N. Wawrusiewicz-Kurylonek, A. Stasiak-Barmuta, et al. Diminished expression of ICOS, GITR and CTLA-4 at the mRNA level in T regulatory cells of children with newly diagnosed type 1 diabetes. Acta Biochimica Polonica, 2009, 56(2): 361-370.