Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitleUltrasonographically adjusted midtrimester risk of trisomy 21 and significant chromosomal defects in advanced maternal age.PublicationInternational Journal of Gynecology & Obstetrics, 1997, Vol 57, Issue 1, p110ISSN0020-7292Publication typeArticleDOI10.1016/S0020-7292(97)85637-8