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Ductus venosus in the first trimester: contribution to screening of chromosomal, cardiac defects and monochorionic twin complications.
Maiz N, Nicolaides KH.
Fetal Diagn Ther 2010;28:65-71. -
Dilemmas in the management of twins discordant for anencephaly diagnosed at 11 + 0 to 13 + 6 weeks of gestation.
Vandecruys H, Avgidou K, Surerus E, Flack N, Nicolaides KH.
Ultrasound Obstet Gynecol 2006;28:653-8.