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Frontomaxillary facial angle in fetuses with spina bifida at 11-13 weeks.
Lachmann R, Picciarelli G, Moratalla J, Green N, Nicolaides KH.
Ultrasound Obstet Gynecol 2010;36:268-71. -
Heart stroke volume and cardiac output by four-dimensional ultrasound in normal fetuses.
Molina FS, Faro C, Sotiriadis A, Dagklis T, Nicolaides KH.
Ultrasound Obstet Gynecol 2008;32:181-7.