title: Positional signalling by mouse limb polarising region in the chick wing bud.
mesh_terms: D000818:Animals; D002642:Chick Embryo; D004627:Embryonic Induction; D005121:Extremities / Q000196:embryology*; D051379:Mice / Q000196:embryology*; D014921:Wings, Animal / Q000196:embryology*