-
Tricuspid regurgitation in screening for trisomies 21, 18 and 13 and Turner syndrome at 11 + 0 to 13 + 6 weeks of gestation.
Kagan KO, Valencia C, Livanos P, Wright D, Nicolaides KH.
Ultrasound Obstet Gynecol 2009;33:18-22. -
Some thoughts on the true value of ultrasound.
Nicolaides KH.
Ultrasound Obstet Gynecol 2007;30:671-4.