Fig 1D. [doi:10.1002/dvdy.20313] Copyright: This image is from Matt N; Schmidt CK; Dupe V; Dennefeld C; Nau H; Chambon P; Mark M; Ghyselinck NB, "Contribution of cellular retinol-binding protein type 1 to retinol metabolism during mouse development." Dev Dyn 2005 May;233(1):167-76. Reprinted with permission of Wiley-Liss Inc. [PMID:15765518]