-
Prenasal thickness in trisomy-21 fetuses at 16-24 weeks of gestation.
Persico N, Borenstein M, Molina F, Azumendi G, Nicolaides KH.
Ultrasound Obstet Gynecol 2008;32:751-4. -
Some thoughts on the true value of ultrasound.
Nicolaides KH.
Ultrasound Obstet Gynecol 2007;30:671-4.