First‐trimester screening for fetal aneuploidy: biochemistry and nuchal translucency
- 30 December 1997
- journal article
- Published by Wiley in Ultrasound in Obstetrics & Gynecology
- Vol. 10 (6), 381-386
- https://doi.org/10.1046/j.1469-0705.1997.10060381.x