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Isolated single umbilical artery: need for specialist fetal echocardiography.
Defigueiredo D, Dagklis T, Zidere V, Allan L, Nicolaides KH.
Ultrasound Obstet Gynecol 2010;36:553-5. -
Isolated single umbilical artery and fetal karyotype.
Dagklis T, Defigueiredo D, Staboulidou I, Casagrandi D, Nicolaides KH.
Ultrasound Obstet Gynecol 2010;36:291-5.