-
Some thoughts on the true value of ultrasound.
Nicolaides KH.
Ultrasound Obstet Gynecol 2007;30:671-4. -
Placental volume measured by three-dimensional ultrasound at 11 to 13 + 6 weeks of gestation: relation to chromosomal defects.
Wegrzyn P, Faro C, Falcon O, Peralta CF, Nicolaides KH.
Ultrasound Obstet Gynecol 2005;26:28-32.