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Prenatal determination of chorionicity in triplet pregnancy by ultrasonographic examination of the ipsilon zone.
Sepulveda W, Sebire NJ, Odibo A, Psarra A, Nicolaides KH.
Obstet Gynecol 1996;88:855-8. -
The lambda sign at 10-14 weeks as a predictor of chorionicity in twin pregnancies.
Sepulveda W, Sebire NJ, Hughes K, Odibo A, Nicolaides KH.
Ultrasound Obstet Gynecol 1996;7:421-3. -
Single uterine entry for genetic amniocentesis in twin pregnancies.
Sebire NJ, Noble PL, Odibo A, Malligiannis P, Nicolaides KH.
Ultrasound Obstet Gynecol 1996;7:26-31. -
Screening for trisomy 21 in twin pregnancies by maternal age and fetal nuchal translucency thickness at 10-14 weeks of gestation.
Sebire NJ, Snijders RJM, Hughes K, Sepulveda W, Nicolaides KH.
BJOG 1996;103:999-1003. -
Fetal karyotyping in twin pregnancies: selection of technique by measurement of fetal nuchal translucency.
Sebire NJ, Noble PL, Psarra A, Papapanagiotou G, Nicolaides KH.
BJOG 1996;103:887-90.