Liao, Gongxian, Michael S. O’Keeffe, Guoxing Wang, Boaz van Driel, Rene de Waal Malefyt, Hans-Christian Reinecker, Roland W. Herzog, and Cox Terhorst. 2014. “Glucocorticoid-Induced TNF Receptor Family-Related Protein Ligand is Requisite for Optimal Functioning of Regulatory CD4+ T Cells.” Frontiers in Immunology 5 (1): 35. doi:10.3389/fimmu.2014.00035. http://dx.doi.org/10.3389/fimmu.2014.00035.