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Nuchal translucency thickness and crown-rump length in twin pregnancies with chromosomally abnormal fetuses.
Pandya PP, Hilbert F, Snijders RJM, Nicolaides KH.
J Ultrasound Med 1995;14:565-8. -
Serun insulin-like growth factor-binding protein-3 (IGFBP-3) levels and IGFBP-3 protease activity in normal, abnormal and multiple human pregnancy.
Langford K, Nicolaides KH, Jones J, Abbas A, McGregor AM, Miell JP.
J Clin Endocrin Metab 1995;80:21-7.