Fgfr2<Lox> Fgfr2<f> Fgfr2<delta8-10lox> Fgfr2<loxP> Fgfr2<tm1Dor> targeted mutation 1, David M Ornitz Conditional ready|No functional change MGI:3044679 Fgfr2<fl> http://identifiers.org/mgd/MGI:3044679 Fgfr2<flox>