Fig 3A. Copyright: Reprinted with permission from Elsevier from [doi:10.1006/dbio.2001.0417] [PMID:11784028] Dev Biol 239(2): 190-203. Yamagishi H; Yamagishi C; Nakagawa O; Harvey RP; Olson EN; Srivastava D; The Combinatorial Activities of Nkx2.5 and dHAND Are Essential for Cardiac Ventricle Formation. Copyright 2001.