Fig4A Copyright: Reprinted with permission from Elsevier from [doi:10.1016/S0925-4773(97)00083-X] Mech Dev 66(1-2): 13-25, Dagnino L; Fry CJ; Bartley SM; Farnham P; Gallie BL; Phillips RA, Expression patterns of the E2F family of transcription factors during mouse nervous system development. Copyright 1997. [PMID:9376316]