Yates, J, Rovis, F, Mitchell, P, Afzali, B, Tsang, J Y S, Garin, M, Lechler, R I, Lombardi, G, Garden, O A, "The maintenance of human CD4(+)CD25(+) regulatory T cell function: IL-2, IL-4, IL-7 and IL-15 preserve optimal suppressive potency in vitro", International Immunology,