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Comparison of color Doppler uterine artery indices in a population at high risk for adverse outcome at 24 weeks' gestation.
Albaiges G, Missfelder-Lobos H, Parra M, Lees C, Cooper D, Nicolaides KH.
Ultrasound Obstet Gynecol 2003;21:170-3. -
Comparison of transvaginal digital examination with intrapartum sonography to determine fetal head position before instrumental delivery.
Akmal S, Kametas N, Tsoi E, Hargreaves C, Nicolaides KH.
Ultrasound Obstet Gynecol 2003;21:437-40.