Fig1I. Copyright: This image is from [doi:10.1002/dvdy.20642] Jin JZ; Gu S; McKinney P; Ding J, "Expression and functional analysis of Tgif during mouse midline development." Dev Dyn 2006 Feb;235(2): 547-53. Reprinted with permission of Wiley-Liss Inc. [PMID:16284942] .