Fig 3C Copyright: Reprinted with permission from Elsevier from [doi:10.1016/S0925-4773(98)00061-6] Mech Dev 74(1-2): 175-7, Maruoka Y; Ohbayashi N; Hoshikawa M; Itoh N; Hogan BM; Furuta Y, Comparison of the expression of three highly related genes, Fgf8, Fgf17 and Fgf18, in the mouse embryo. Copyright 1998. [PMID:9651520]