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Maternal thyroid function at gestational weeks 11-13 in twin pregnancies.
Ashoor G, Muto O, Poon LC, Muhaisen M, Nicolaides KH.
Thyroid 2013;23:1165-71. -
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.