The spontaneous mouse mutant low set ears (Lse) is caused by tandem duplication of Fgf3 and Fgf4. - Luzzio, Alana; Edie, Sarah; Palmer, Kristina; Caddle, L. Brianna; Urban, Rachel; Goodwin, Leslie O.; Welsh, Ian C.; Reinholdt, Laura G.; Bergstrom, David E.; Cox, Timothy C.; Donahue, Leah Rae; Murray, Stephen A. (Mammalian Genome, 2023)