EZH2 is required for germinal center formation and somatic EZH2 mutations promote lymphoid transformation., Béguelin, Wendy, Popovic Relja, Teater Matt, Jiang Yanwen, Bunting Karen L., Rosen Monica, Shen Hao, Yang Shao Ning, Wang Ling, Ezponda Teresa, et al. , Cancer Cell, 2013 May 13, Volume 23, Issue 5, p.677-92, (2013)