We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleTracking embryo implantation using cell-free fetal DNA enriched from maternal circulation at 9 weeks gestation.AuthorsTreff NR; Tao X; Su J; Lonczak A; Northrop LE; Ruiz AA; Scott RT JrPublicationMolecular human reproduction, 2011, Vol 17, Issue 7, p434ISSN1460-2407Publication typearticleDOI10.1093/molehr/gar016