Fig2A. Copyright: Reprinted with permission from Elsevier from [doi:10.1016/j.modgep.2005.11.012] Gene Expr Patterns 6: 632-6, Liu H; Liu W; Maltby KM; Lan Y; Jiang R, Identification and developmental expression analysis of a novel homeobox gene closely linked to the mouse Twirler mutation. Copyright 2006