title: Building arms or legs with molecular models.
authors.forename: E H
authors.initials: EH
authors.lastname: Margulies
authors.forename: J W
authors.initials: JW
authors.lastname: Innis
mesh_terms: D000818:Animals; D005314:Embryonic and Fetal Development / Q000235:genetics*; D005552:Forelimb / Q000196:embryology*; D005801:Genes, Homeobox; D006614:Hindlimb / Q000196:embryology*; D008957:Models, Genetic; D014157:Transcription Factors / Q000235:genetics
chemical_list: D014157:Transcription Factors