-
Non-invasive assessment of endothelial function in normal pregnancy.
Savvidou MD, Kametas NA, Donald AE, Nicolaides KH.
Ultrasound Obstet Gynecol 2000;15:502-7. -
Fetal heart rate in chromosomally abnormal fetuses.
Liao A W, Snijders R, Geerts L, Spencer K, Nicolaides KH.
Ultrasound Obstet Gynecol 2000;16:610-3.