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Maternal serum tumour necrosis factor receptor 1 (TNF-R1) at 30-33 weeks in the prediction of preeclampsia.
Mosimann B, Wagner M, Birdir C, Poon LC, Nicolaides KH.
J Matern Fetal Neonatal Med 2013;26:763-7 -
First-trimester maternal serum tumor necrosis factor receptor-1 and pre-eclampsia.
Leal AM, Poon LC, Frisova V, Veduta A, Nicolaides KH.
Ultrasound Obstet Gynecol 2009;33:135-41 pdf