We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleDetection of trisomy 18 and trisomy 13 using first and second trimester Down's syndrome screening markers.AuthorsBestwick JP; Huttly WJ; Wald NJPublicationJournal of medical screening, 2013, Vol 20, Issue 2, p57ISSN1475-5793Publication typearticleDOI10.1177/0969141313484904