title: Ontogenic development and anatomical distribution of a supernumerary limb-inducing factor.
mesh_terms: D000818:Animals; D001001:Anura / Q000196:embryology*; D007422:Intestines / Q000637:transplantation*; D016030:Kidney Transplantation; D017880:Limb Deformities, Congenital; D008675:Metamorphosis, Biological; D009132:Muscles / Q000637:transplantation*; D001743:Urinary Bladder / Q000637:transplantation*; D014562:Caudata