-
Clinical significance of first-trimester chorionic bumps: a matched case-control study.
Sana Y, Appiah A, Davison A, Nicolaides KH, Johns J, Ross JA.
Ultrasound Obstet Gynecol 2013;42:585-9. -
Maternal cardiac function in twin pregnancy.
Kametas NA, McAuliffe F, Krampl E, Chambers J, Nicolaides KH.
Obstet Gynecol 2003;102:806-15. -
Assessment of endothelial function in normal twin pregnancy.
Savvidou MD, Donald AE, Nicolaides KH.
Ultrasound Obstet Gynecol 2001;17:220-3.