Fig2e. [doi:10.1038/32419] de la Pompa JL; Timmerman LA; Takimoto H; Yoshida H; Elia AJ; Samper E; Potter J; Wakeham A; Marengere L; Langille BL; Crabtree GR; Mak TW, "Role of the NF-ATc transcription factor in morphogenesis of cardiac valves and septum." Nature 1998 Mar 12;392(6672):182-6. © Nature Publishing Group. Reproduced with permission from Nature.