Figure 2A1. Copyright: Reprinted with permission from Elsevier from [doi:10.1016/j.modgep.2003.11.002] Gene Expr Patterns 4: 289-95, Ang SJ; Stump RJ; Lovicu FJ; McAvoy JW, Spatial and temporal expression of Wnt and Dickkopf genes during murine lens development. Copyright 2004.