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First trimester sex hormone-binding globulin and subsequent development of preeclampsia or other adverse pregnancy outcomes.
Spencer K, Yu CK, Rembouskos G, Bindra R, Nicolaides KH.
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Serum CA125 at 11-14 weeks of gestation in women with morphologically normal ovaries.
Aslam N, Ong C, Woelfer B, Nicolaides K, Jurkovic D.
BJOG 2000;107:689-90.