Figure 1G. Copyright: Reprinted with permission from Elsevier from [doi:10.1016/S0925-4773(01)00364-1] Mech Dev 104: 143-6, Buck A; Kispert A; Kohlhase J, Embryonic expression of the murine homologue of SALL1, the gene mutated in Townes-Brocks syndrome. Copyright 2001.