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Assessment of umbilical arterial and venous flow using color Doppler.
Lees C, Albaiges G, Deane C, Parra M, Nicolaides KH.
Ultrasound Obstet Gynecol 1999;14:250-5. -
Dichorionic twins discordant for intrautering growth retardation.
Sebire NJ, D'Ercole C, Hughes K, Rennie J, Nicolaides KH.
Arch Dis Child Fetal Neonatal 1997;77:235-6.