title: Retinoids and posterior neural induction: a reevaluation of Nieuwkoop's two-step hypothesis.
authors.affiliation: Whitehead Institute for Biomedical Research, Cambridge, Massachusetts 02142, USA.
authors.forename: P J
authors.initials: PJ
authors.lastname: Kolm
authors.forename: H L
authors.initials: HL
authors.lastname: Sive
mesh_terms: D000818:Animals; D019521:Body Patterning / Q000187:drug effects / Q000502:physiology*; D001921:Brain / Q000187:drug effects / Q000196:embryology; D002490:Central Nervous System / Q000196:embryology*; D004475:Ectoderm / Q000187:drug effects / Q000502:physiology; D004627:Embryonic Induction / Q000187:drug effects; D008648:Mesoderm / Q000187:drug effects / Q000502:physiology; D008959:Models, Neurological; D012176:Retinoids / Q000494:pharmacology*; D015398:Signal Transduction; D014714:Vertebrates
chemical_list: D012176:Retinoids