We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleFetal-specific DNA methylation ratio permits noninvasive prenatal diagnosis of trisomy 21.AuthorsPapageorgiou EA; Karagrigoriou A; Tsaliki E; Velissariou V; Carter NP; Patsalis PCPublicationNature medicine, 2011, Vol 17, Issue 4, p510ISSN1546-170xPublication typearticleDOI10.1038/nm.2312