Fig2K. Copyright: Reprinted with permission from Elsevier from [doi:10.1006/dbio.1999.9298] Dev Biol 211: 100-8, Bruneau BG; Logan M; Davis N; Levi T; Tabin CJ; Seidman JG; Seidman CE, Chamber-specific cardiac expression of Tbx5 and heart defects in Holt-Oram syndrome. Copyright 1999