We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleDynamic assignment and maintenance of positional identity in the ventral neural tube by the morphogen sonic hedgehog.AuthorsDessaud E; Ribes V; Balaskas N; Yang LL; Pierani A; Kicheva A; Novitch BG; Briscoe J; Sasai NPublicationPLoS biology, 2010, Vol 8, Issue 6, pe1000382ISSN1545-7885Publication typearticleDOI10.1371/journal.pbio.1000382