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Prediction of severe fetal anemia in red blood cell alloimmunization after previous intrauterine transfusions.
Scheier M, Hernandez-Andrade E, Fonseca EB, Nicolaides KH.
Am J Obstet Gynecol 2006;195:1550-6. -
Sonographic screening for trisomy 13 at 11 to 13(+6) weeks of gestation.
Papageorghiou AT, Avgidou K, Spencer K, Nix B, Nicolaides KH.
Am J Obstet Gynecol 2006;194:397-401.