title: Lessons from extra digits.
authors.affiliation: Dept of Biological Sciences, University College of Wales, Aberystwyth, Dyfed, UK.
authors.forename: J R
authors.initials: JR
authors.lastname: Hinchliffe
authors.forename: T J
authors.initials: TJ
authors.lastname: Horder
mesh_terms: D000818:Animals; D002356:Cartilage / Q000196:embryology; D002642:Chick Embryo; D004475:Ectoderm / Q000502:physiology; D006614:Hindlimb / Q000002:abnormalities / Q000196:embryology*; D014034:Toes / Q000002:abnormalities / Q000196:embryology