We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitlePoint mutations in a distant sonic hedgehog cis-regulator generate a variable regulatory output responsible for preaxial polydactyly.AuthorsLettice LA; Hill AE; Devenney PS; Hill REPublicationHuman molecular genetics, 2008, Vol 17, Issue 7, p978ISSN1460-2083Publication typearticleDOI10.1093/hmg/ddm370