Figure 3A (right). Copyright: Reprinted with permission from Elsevier from [doi:10.1016/j.modgep.2003.09.010] Gene Expr Patterns 4: 135-40, Hurley TM; McClive PJ; Sarraj MA; Sinclair AH, Eki2 is upregulated specifically in the testis during mouse sex determination. Copyright 2004.