We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleEpidemiology of Down syndrome.AuthorsSherman SL; Allen EG; Bean LH; Freeman SBPublicationMental retardation and developmental disabilities research reviews, 2007, Vol 13, Issue 3, p221ISSN1080-4013Publication typearticleDOI10.1002/mrdd.20157