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Outcome of pregnancy in chromosomally normal fetuses with increased nuchal translucency in the first trimester.
Souka AP, Krampl E, Bakalis S, Heath V, Nicolaides KH.
Ultrasound Obstet Gynecol 2001;18:9-17. -
Increased nuchal translucency in trisomy 13 fetuses at 10-14 weeks of gestation.
Snijders RJ, Sebire NJ, Nayar R, Souka A, Nicolaides KH.
Am J Med Genet 1999;86:205-7.