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The hidden mortality of monochorionic twin pregnancies.
Sebire NJ, Snijders RJM, Hughes K, Sepulveda W, Nicolaides KH.
BJOG 1997;104:1203-7. -
Increased nuchal translucency thickness at 10-14 weeks of gestation as a predictor of severe twin-to-twin transfusion syndrome.
Sebire NJ, D'Ercole C, Hughes K, Carvalho M, Nicolaides KH.
Ultrasound Obstet Gynecol 1997;10:86-9.