Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleSonic hedgehog is essential to foregut development.AuthorsLitingtung Y; Lei L; Westphal H; Chiang CPublicationNature genetics, 1998, Vol 20, Issue 1, p58ISSN1061-4036Publication typearticleDOI10.1038/1717