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Ultrasound in Obstetrics & Gynecology : the Official Journal of the International Society of Ultrasound in Obstetrics and Gynecology|June 22, 2010
The 11-13-week scan: diagnosis and outcome of holoprosencephaly, exomphalos and megacystisK O Kagan, I Staboulidou, A Syngelaki, et al.
Fetal Diagnosis and Therapy|November 6, 2009
Prenatal diagnosis and management of a fetal intra-abdominal teratoma: a case report and review of the literatureN Wagner, K O Kagan, S W Warmann, et al.
Ultrasound in Obstetrics & Gynecology : the Official Journal of the International Society of Ultrasound in Obstetrics and Gynecology|May 2, 2009
Effect of deviation of nuchal translucency measurements on the performance of screening for trisomy 21K O Kagan, D Wright, A Etchegaray, et al.
Ultrasound in Obstetrics & Gynecology : the Official Journal of the International Society of Ultrasound in Obstetrics and Gynecology|August 30, 2008
Screening for trisomy 18 by maternal age, fetal nuchal translucency, free beta-human chorionic gonadotropin and pregnancy-associated plasma protein-AK O Kagan, D Wright, N Maiz, et al.
Ultrasound in Obstetrics & Gynecology : the Official Journal of the International Society of Ultrasound in Obstetrics and Gynecology|November 26, 2008
Tricuspid regurgitation in screening for trisomies 21, 18 and 13 and Turner syndrome at 11+0 to 13+6 weeks of gestationK O Kagan, C Valencia, P Livanos, et al.
Ultrasound in Obstetrics & Gynecology : the Official Journal of the International Society of Ultrasound in Obstetrics and Gynecology|June 16, 2009
Prospective validation of first-trimester combined screening for trisomy 21K O Kagan, A Etchegaray, Y Zhou, et al.
Ultrasound in Obstetrics & Gynecology : the Official Journal of the International Society of Ultrasound in Obstetrics and Gynecology|June 3, 2008
Frontomaxillary facial angle in screening for trisomy 21 at 11 + 0 to 13 + 6 weeksM Borenstein, N Persico, K O Kagan, et al.
Ultrasound in Obstetrics & Gynecology : the Official Journal of the International Society of Ultrasound in Obstetrics and Gynecology|January 21, 2012
Impact of bias in crown-rump length measurement at first-trimester screening for trisomy 21K O Kagan, M Hoopmann, A Baker, et al.
Ultrasound in Obstetrics & Gynecology : the Official Journal of the International Society of Ultrasound in Obstetrics and Gynecology|May 9, 2019
Single and repeat cervical-length measurement in twin gestation with threatened preterm laborN Prodan, P Wagner, J Sonek, et al.
Prenatal Diagnosis|January 29, 2013
Comparison of three methods of cervical measurement in the first trimester: single-line, two-line, and tracingJ D Retzke, J D Sonek, J Lehmann, et al.
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