Figure 2F. Copyright: Reprinted with permission from Elsevier from [doi:10.1016/S0925-4773(00)00586-4] Mech Dev 102: 209-11, Grimmond S; Larder R; Van Hateren N; Siggers P; Morse S; Hacker T; Arkell R; Greenfield A, Expression of a novel mammalian epidermal growth factor-related gene during mouse neural development. Copyright 2001.