Figure 1F.Copyright: This image is from [doi:10.1002/dvg.20264] Warren M; Wang W; Spiden S; Chen-Murchie D; Tannahill D; Steel KP; Bradley A, "A Sall4 mutant mouse model useful for studying the role of Sall4 in early embryonic development and organogenesis." Genesis 2007 Jan;45(1):51-8. Reprinted with permission of Wiley-Liss Inc. [PMID:17216607] .