[1]. Esther van de Vosse, et al. IL-12Rβ1 deficiency: mutation update and description of the IL12RB1 variation database. Hum Mutat. 2013 Oct;34(10):1329-39. [Content Brief][2]. Ryuta Nishikomori, et al. Activated STAT4 has an essential role in Th1 differentiation and proliferation that is independent of its role in the maintenance of IL-12R beta 2 chain expression and signaling. J Immunol. 2002 Oct 15;169(8):4388-98. [Content Brief]